| National Archives Milestone Documents, Emancipation Proclamation (1863)www.archives.gov/milestone-documents/emancipation- | primary | La Proclamación de Emancipación (1863) |
| Miller Center, UVA — Abraham Lincoln presidencymillercenter.org/president/lincoln | secondary | La Proclamación de Emancipación (1863) |
| National Archives, Emancipation Proclamation transcriptwww.archives.gov/exhibits/featured-documents/emanc | primary | La Proclamación de Emancipación (1863) |
| Library of Congress, Exhibition 'Gettysburg Address' — the Nicolay draft and full text (19 November 1863)www.loc.gov/exhibits/gettysburg-address/ | primary | El Discurso de Gettysburg (1863) |
| National Archives, Prologue — 'An Address for the Ages: Lincoln's Gettysburg Address' (1995)www.archives.gov/publications/prologue/1995/fall/h | secondary | El Discurso de Gettysburg (1863) |
| National Museum of American History, 'The Gettysburg Address: The White House Copy' (Bliss copy, 1864)americanhistory.si.edu/documentsgallery/exhibition | secondary | El Discurso de Gettysburg (1863) |
| White House Historical — 'This Day in History: Seven Score and 11 Years Ago' (2014)obamawhitehouse.archives.gov/blog/2014/11/18/day-h | secondary | El Discurso de Gettysburg (1863) |
| Miller Center, UVA — Jackson domestic affairs (Bank War)millercenter.org/president/jackson/domestic-affair | secondary | La Guerra del Banco (1832-1833) |
| Miller Center, UVA — Andrew Jackson presidency biographymillercenter.org/president/jackson | secondary | La Guerra del Banco (1832-1833) |
| Wikipedia — Andrew Jackson (Bank War)en.wikipedia.org/wiki/Andrew_Jackson | secondary | La Guerra del Banco (1832-1833) |
| National Archives, Milestone Documents — President Andrew Jackson's Message to Congress 'On Indian Removal' (6 December 1830)www.archives.gov/milestone-documents/jacksons-mess | primary | La Ley de Expulsión de los Indios (1830) |
| Office of the Historian, U.S. Department of State — 'Indian Treaties and the Removal Act of 1830'history.state.gov/milestones/1830-1860/indian-trea | primary | La Ley de Expulsión de los Indios (1830) |
| National Park Service — 'Preludes to the Trail of Tears' (Indian Removal Act, 1830)www.nps.gov/articles/000/preludes-trail-of-tears.h | secondary | La Ley de Expulsión de los Indios (1830) |
| Miller Center, UVA — Andrew Johnson presidency biography (impeachment)millercenter.org/president/andrew-johnson | secondary | El impeachment de 1868 |
| Wikipedia — Andrew Johnson (impeachment)en.wikipedia.org/wiki/Andrew_Johnson | secondary | El impeachment de 1868 |
| Wikipedia — Impeachment of Andrew Johnsonen.wikipedia.org/wiki/Impeachment_of_Andrew_Johnso | secondary | El impeachment de 1868 |
| Miller Center, UVA — Obama domestic affairs (Affordable Care Act)millercenter.org/president/obama/domestic-affairs | secondary | La Ley de Cuidado de Salud Asequible (ACA, 2010) |
| Miller Center, UVA — Barack Obama presidency biographymillercenter.org/president/obama | secondary | La Ley de Cuidado de Salud Asequible (ACA, 2010) |
| Wikipedia — Affordable Care Acten.wikipedia.org/wiki/Affordable_Care_Act | secondary | La Ley de Cuidado de Salud Asequible (ACA, 2010) |
| Barack Obama Presidential Library — 'Remarks by the President on the Death of Osama bin Laden' (1 May 2011, transcript)www.obamalibrary.gov/sites/default/files/uploads/d | primary | La operación contra Osama bin Laden (2011) |
| The White House (archived) — 'Osama bin Laden Dead' (Obama address to the Nation, 1 May 2011)obamawhitehouse.archives.gov/blog/2011/05/02/osama | primary | La operación contra Osama bin Laden (2011) |
| Miller Center, UVA — 'May 1, 2011: Remarks on the Death of Osama bin Laden'millercenter.org/the-presidency/presidential-speec | secondary | La operación contra Osama bin Laden (2011) |
| Miller Center, UVA — Benjamin Harrison presidency biographymillercenter.org/president/harrison | secondary | La Sherman Anti-Trust Act (1890) |
| Wikipedia — Sherman Antitrust Acten.wikipedia.org/wiki/Sherman_Antitrust_Act | secondary | La Sherman Anti-Trust Act (1890) |
| Wikipedia — Benjamin Harrisonen.wikipedia.org/wiki/Benjamin_Harrison | secondary | La Sherman Anti-Trust Act (1890) |
| Miller Center, UVA — Bill Clinton presidency biographymillercenter.org/president/clinton | secondary | El impeachment de 1998-1999 |
| Wikipedia — Impeachment of Bill Clintonen.wikipedia.org/wiki/Impeachment_of_Bill_Clinton | secondary | El impeachment de 1998-1999 |
| Wikipedia — Bill Clinton (Lewinsky scandal)en.wikipedia.org/wiki/Bill_Clinton | secondary | El impeachment de 1998-1999 |
| Miller Center, UVA — Calvin Coolidge presidency biographymillercenter.org/president/coolidge | secondary | Los años veinte: auge y gobierno mínimo |
| Wikipedia — Calvin Coolidgeen.wikipedia.org/wiki/Calvin_Coolidge | secondary | Los años veinte: auge y gobierno mínimo |
| Wikipedia — Roaring Twentiesen.wikipedia.org/wiki/Roaring_Twenties | secondary | Los años veinte: auge y gobierno mínimo |
| Miller Center, UVA — Chester A. Arthur presidency biographymillercenter.org/president/arthur | secondary | La aplicación de la Pendleton Act (1883) |
| Wikipedia — Chester A. Arthur (Pendleton Act)en.wikipedia.org/wiki/Chester_A._Arthur | secondary | La aplicación de la Pendleton Act (1883) |
| Wikipedia — Pendleton Civil Service Reform Acten.wikipedia.org/wiki/Pendleton_Civil_Service_Refo | secondary | La aplicación de la Pendleton Act (1883) |
| Miller Center, UVA — Donald Trump presidency biographymillercenter.org/president/trump | secondary | El 6 de enero de 2021 y el segundo impeachment |
| Wikipedia — January 6 United States Capitol attacken.wikipedia.org/wiki/January_6_United_States_Capi | secondary | El 6 de enero de 2021 y el segundo impeachment |
| Wikipedia — Second impeachment of Donald Trumpen.wikipedia.org/wiki/Second_impeachment_of_Donald | secondary | El 6 de enero de 2021 y el segundo impeachment |
| Miller Center, UVA — Dwight D. Eisenhower presidency biographymillercenter.org/president/eisenhower | secondary | El Sistema de Autopistas Interestatales (1956) |
| Wikipedia — Interstate Highway Systemen.wikipedia.org/wiki/Interstate_Highway_System | secondary | El Sistema de Autopistas Interestatales (1956) |
| Wikipedia — Federal-Aid Highway Act of 1956en.wikipedia.org/wiki/Federal-Aid_Highway_Act_of_1 | secondary | El Sistema de Autopistas Interestatales (1956) |
| National Archives, Milestone Documents — Executive Order 10730: Desegregation of Central High School (Little Rock, 1957)www.archives.gov/milestone-documents/executive-ord | primary | La crisis de Little Rock (1957) |
| The American Presidency Project — Executive Order 10730, 'Providing Assistance for the Removal of an Obstruction of Justice within the State of Arkansas' (24 September 1957)www.presidency.ucsb.edu/documents/executive-order- | primary | La crisis de Little Rock (1957) |
| Dwight D. Eisenhower Presidential Library — 'Civil Rights: The Little Rock School Integration Crisis'www.eisenhowerlibrary.gov/research/online-document | secondary | La crisis de Little Rock (1957) |
| Miller Center, UVA — Pierce domestic affairs (Kansas-Nebraska Act)millercenter.org/president/pierce/domestic-affairs | secondary | La Ley Kansas-Nebraska (1854) |
| National Archives Milestone Documents, Kansas-Nebraska Act (1854)www.archives.gov/milestone-documents/kansas-nebras | primary | La Ley Kansas-Nebraska (1854) |
| Miller Center, UVA — Franklin Pierce presidency biographymillercenter.org/president/pierce | secondary | La Ley Kansas-Nebraska (1854) |
| Miller Center, UVA — Franklin D. Roosevelt presidency biographymillercenter.org/president/fdroosevelt | secondary | El New Deal (1933-1939) |
| Wikipedia — New Dealen.wikipedia.org/wiki/New_Deal | secondary | El New Deal (1933-1939) |
| Wikipedia — Franklin D. Roosevelt (First Hundred Days)en.wikipedia.org/wiki/Franklin_D._Roosevelt | secondary | El New Deal (1933-1939) |
| National Archives, Milestone Documents — Joint Address to Congress Leading to a Declaration of War Against Japan (8 December 1941)www.archives.gov/milestone-documents/joint-address | primary | La Segunda Guerra Mundial (1941-1945) |
| National Park Service, WWII Memorial — 'December 8, 1941 Address Before Congress' (full text)www.nps.gov/wwii/learn/historyculture/1941-address | primary | La Segunda Guerra Mundial (1941-1945) |
| Library of Congress, Prints & Photographs — 'President Roosevelt signs declaration of war' (8 December 1941, OWI)www.loc.gov/item/2001699878/ | primary | La Segunda Guerra Mundial (1941-1945) |
| Miller Center, UVA — Franklin D. Roosevelt presidency biography (World War II)millercenter.org/president/fdroosevelt | secondary | La Segunda Guerra Mundial (1941-1945) |
| Miller Center, UVA — George H. W. Bush presidency biographymillercenter.org/president/bush | secondary | La Guerra del Golfo (1990-1991) |
| Wikipedia — Gulf Waren.wikipedia.org/wiki/Gulf_War | secondary | La Guerra del Golfo (1990-1991) |
| Wikipedia — Operation Desert Stormen.wikipedia.org/wiki/Gulf_War#Operation_Desert_St | secondary | La Guerra del Golfo (1990-1991) |
| Miller Center, UVA — George W. Bush presidency biographymillercenter.org/president/gwbush | secondary | El 11-S y la guerra contra el terrorismo (2001-2008) |
| Wikipedia — September 11 attacksen.wikipedia.org/wiki/September_11_attacks | secondary | El 11-S y la guerra contra el terrorismo (2001-2008) |
| Wikipedia — War in Afghanistan (2001-2021)en.wikipedia.org/wiki/War_in_Afghanistan_(2001%E2% | secondary | El 11-S y la guerra contra el terrorismo (2001-2008) |
| Engrossed Bill of Rights, September 25, 1789; General Records of the United States Government; Record Group 11www.archives.gov/milestone-documents/bill-of-right | primary | La Declaración de Derechos (Bill of Rights) |
| National Archives, The Bill of Rights: A Transcription (enmiendas 1-10)www.archives.gov/founding-docs/bill-of-rights-tran | primary | La Declaración de Derechos (Bill of Rights) |
| National Archives, Amendments 11-27www.archives.gov/founding-docs/amendments-11-27 | secondary | La Declaración de Derechos (Bill of Rights) |
| DocsTeach, Bill of Rights (NARA Foundation)docsteach.org/document/bill-of-rights/ | primary | La Declaración de Derechos (Bill of Rights) |
| Hamilton Papers, Letter from Alexander Hamilton to George Washington, 1789 (Founders Online ID 01-01-02-0001)founders.archives.gov/documents/Hamilton/01-01-02- | primary | Gabinete y el sistema de consejo |
| Mount Vernon Digital Encyclopedia, article 'Washington's Cabinet'www.mountvernon.org/library/digitalhistory/digital | primary | Gabinete y el sistema de consejo |
| NARA Treasures of Congress, 'The Constitution' — executive departments sectionwww.archives.gov/exhibits/treasures_of_congress/te | secondary | Gabinete y el sistema de consejo |
| Jefferson Papers, Letter from Thomas Jefferson to George Washington, 1789 (Founders Online ID 01-04-02-0049)founders.archives.gov/documents/Jefferson/01-04-02 | primary | Gabinete y el sistema de consejo |
| National Archives Milestone Documents, President George Washington's First Inaugural Speech (1789)www.archives.gov/milestone-documents/president-geo | primary | Inauguración y precedentes presidenciales |
| Library of Congress, George Washington Paperswww.loc.gov/collections/george-washington-papers/ | primary | Inauguración y precedentes presidenciales |
| Mount Vernon, Washington's Inaugurationwww.mountvernon.org/library/digitalhistory/digital | secondary | Inauguración y precedentes presidenciales |
| Founders Online, George Washington Papers, Proclamation (1794) — Washington to the insurgents of Pennsylvania (Washington 05-16-02-0363)founders.archives.gov/documents/Washington/05-16-0 | primary | La Rebelión del Whiskey |
| Mount Vernon Digital Encyclopedia, article 'Whiskey Rebellion'www.mountvernon.org/library/digitalhistory/digital | primary | La Rebelión del Whiskey |
| Library of Congress, George Washington Papers (Constitution/proclamation collections)www.loc.gov/collections/george-washington-papers/ | secondary | La Rebelión del Whiskey |
| Miller Center, UVA — Gerald Ford presidency biographymillercenter.org/president/ford | secondary | El indulto a Nixon (1974) |
| Wikipedia — Pardon of Richard Nixonen.wikipedia.org/wiki/Pardon_of_Richard_Nixon | secondary | El indulto a Nixon (1974) |
| Wikipedia — Gerald Forden.wikipedia.org/wiki/Gerald_Ford | secondary | El indulto a Nixon (1974) |
| Miller Center, UVA — Grover Cleveland presidency biographymillercenter.org/president/cleveland | secondary | Dos mandatos no consecutivos |
| Wikipedia — Grover Clevelanden.wikipedia.org/wiki/Grover_Cleveland | secondary | Dos mandatos no consecutivos |
| Miller Center, UVA — Benjamin Harrison (interleaved term)millercenter.org/president/harrison | secondary | Dos mandatos no consecutivos |
| National Archives, Milestone Documents — Executive Order 9981: Desegregation of the Armed Forces (26 July 1948)www.archives.gov/milestone-documents/executive-ord | primary | La integración de las Fuerzas Armadas (1948) |
| National Archives Catalog — Executive Order 9981 dated 26 July 1948 (NAID 300009)catalog.archives.gov/id/300009 | primary | La integración de las Fuerzas Armadas (1948) |
| Harry S. Truman Presidential Library — 'Desegregation of the Armed Forces'www.trumanlibrary.gov/education/presidential-inqui | secondary | La integración de las Fuerzas Armadas (1948) |
| National Archives Milestone Documents, Truman Doctrine (1947)www.archives.gov/milestone-documents/truman-doctri | primary | La Doctrina Truman y el Plan Marshall (1947-1952) |
| Miller Center, UVA — Harry S. Truman presidency biographymillercenter.org/president/truman | secondary | La Doctrina Truman y el Plan Marshall (1947-1952) |
| Wikipedia — Marshall Planen.wikipedia.org/wiki/Marshall_Plan | secondary | La Doctrina Truman y el Plan Marshall (1947-1952) |
| Miller Center, UVA — Herbert Hoover presidency biographymillercenter.org/president/hoover | secondary | La Gran Depresión (1929-1933) |
| Wikipedia — Great Depression in the United Statesen.wikipedia.org/wiki/Great_Depression_in_the_Unit | secondary | La Gran Depresión (1929-1933) |
| Wikipedia — Herbert Hooveren.wikipedia.org/wiki/Herbert_Hoover | secondary | La Gran Depresión (1929-1933) |
| Miller Center, UVA — James A. Garfield presidency biographymillercenter.org/president/garfield | secondary | El asesinato y la reforma del servicio civil |
| Wikipedia — James A. Garfield (assassination)en.wikipedia.org/wiki/James_A._Garfield | secondary | El asesinato y la reforma del servicio civil |
| Wikipedia — Pendleton Civil Service Reform Act (1883)en.wikipedia.org/wiki/Pendleton_Civil_Service_Refo | secondary | El asesinato y la reforma del servicio civil |
| Office of the Historian, U.S. Department of State — The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe Hidalgohistory.state.gov/milestones/1830-1860/texas-annex | primary | El Destino Manifiesto y la expansión hacia el Oeste (1845-1848) |
| Miller Center, UVA — James K. Polk presidency (foreign affairs)millercenter.org/president/polk/foreign-affairs | secondary | El Destino Manifiesto y la expansión hacia el Oeste (1845-1848) |
| Miller Center, UVA — James K. Polk presidency (domestic affairs)millercenter.org/president/polk/domestic-affairs | secondary | El Destino Manifiesto y la expansión hacia el Oeste (1845-1848) |
| Wikipedia — Manifest destinyen.wikipedia.org/wiki/Manifest_destiny | secondary | El Destino Manifiesto y la expansión hacia el Oeste (1845-1848) |
| Miller Center, UVA — Polk foreign affairs (Mexican-American War)millercenter.org/president/polk/foreign-affairs | secondary | La Guerra México-Estados Unidos (1846-1848) |
| National Archives Milestone Documents, Treaty of Guadalupe Hidalgo (1848)www.archives.gov/milestone-documents/treaty-of-gua | primary | La Guerra México-Estados Unidos (1846-1848) |
| Miller Center, UVA — James K. Polk presidency biographymillercenter.org/president/polk | secondary | La Guerra México-Estados Unidos (1846-1848) |
| The U.S. National Archives — Bill of Rights (1791)www.archives.gov/founding-docs/bill-of-rights | primary | El Bill of Rights y su ratificación (1789-1791) |
| The U.S. National Archives — Bill of Rights Transcriptwww.archives.gov/founding-docs/bill-of-rights-tran | primary | El Bill of Rights y su ratificación (1789-1791) |
| Library of Congress — A Bill of Rights (broadside)www.loc.gov/item/rbpe.22600900/ | secondary | El Bill of Rights y su ratificación (1789-1791) |
| Miller Center, UVA — James Madison presidencymillercenter.org/president/madison/domestic-affair | secondary | El Bill of Rights y su ratificación (1789-1791) |
| Miller Center, UVA — James Monroe presidency biographymillercenter.org/president/monroe | secondary | La Doctrina Monroe (1823) |
| National Archives Milestone Documents, Monroe Doctrine (1823)www.archives.gov/milestone-documents/monroe-doctri | primary | La Doctrina Monroe (1823) |
| Wikipedia — James Monroe (Monroe Doctrine)en.wikipedia.org/wiki/James_Monroe | secondary | La Doctrina Monroe (1823) |
| The Avalon Project (Yale) — First Inaugural Address of James Monroe, 4 March 1817avalon.law.yale.edu/19th_century/monroe1.asp | primary | La Era de los Buenos Sentimientos (1817-1825) |
| Miller Center, UVA — 'December 2, 1817: First Annual Message' (James Monroe)millercenter.org/the-presidency/presidential-speec | primary | La Era de los Buenos Sentimientos (1817-1825) |
| Library of Congress, James Monroe Papers — collection of presidential tours (1817, 1818, 1819)www.loc.gov/collections/james-monroe-papers/about- | primary | La Era de los Buenos Sentimientos (1817-1825) |
| Miller Center, UVA — Jimmy Carter presidency biographymillercenter.org/president/carter | secondary | Los Acuerdos de Camp David (1978) |
| Wikipedia — Camp David Accordsen.wikipedia.org/wiki/Camp_David_Accords | secondary | Los Acuerdos de Camp David (1978) |
| Wikipedia — Egypt–Israel peace treatyen.wikipedia.org/wiki/Egypt%E2%80%93Israel_peace_t | secondary | Los Acuerdos de Camp David (1978) |
| Miller Center, UVA — Joe Biden presidency biographymillercenter.org/president/biden | secondary | El fin de la guerra de Afganistán (2021) |
| Wikipedia — 2021 Taliban offensiveen.wikipedia.org/wiki/2021_Taliban_offensive | secondary | El fin de la guerra de Afganistán (2021) |
| Miller Center, UVA — John Adams domestic affairs (Alien and Sedition Acts)millercenter.org/president/adams/domestic-affairs | secondary | Las Leyes de Extranjería y Sedición (1798) |
| National Archives Milestone Documents, Alien and Sedition Acts (1798)www.archives.gov/milestone-documents/alien-and-sed | primary | Las Leyes de Extranjería y Sedición (1798) |
| Founders Online, Adams Papers (1798)founders.archives.gov/documents/Adams/01-09-02-000 | primary | Las Leyes de Extranjería y Sedición (1798) |
| The Avalon Project (Yale) — John Adams, Message to the Senate and House, 19 March 1798, regarding the reports of the envoys to Franceavalon.law.yale.edu/18th_century/ja98-01.asp | primary | El Asunto XYZ y la Cuasi-Guerra (1798-1800) |
| Office of the Historian, U.S. Department of State — 'The XYZ Affair and the Quasi-War with France, 1798–1800'history.state.gov/milestones/1784-1800/xyz | primary | El Asunto XYZ y la Cuasi-Guerra (1798-1800) |
| Miller Center, UVA — 'May 16, 1797: Special Session Message to Congress (XYZ Affair)'millercenter.org/the-presidency/presidential-speec | secondary | El Asunto XYZ y la Cuasi-Guerra (1798-1800) |
| John F. Kennedy Presidential Library — 'Address at Rice University on the Nation's Space Effort' (12 September 1962)www.jfklibrary.org/archives/other-resources/john-f | primary | La carrera espacial y el discurso de la Luna (1962) |
| The American Presidency Project — John F. Kennedy, Address at Rice University in Houston on the Nation's Space Effort (12 September 1962)www.presidency.ucsb.edu/documents/address-rice-uni | primary | La carrera espacial y el discurso de la Luna (1962) |
| NASA History — '60 Years Ago: President Kennedy Reaffirms Moon Landing Goal in Rice University Speech'www.nasa.gov/history/60-years-ago-president-kenned | secondary | La carrera espacial y el discurso de la Luna (1962) |
| Miller Center, UVA — John F. Kennedy presidency biographymillercenter.org/president/kennedy | secondary | La crisis de los misiles de Cuba (1962) |
| Wikipedia — Cuban Missile Crisisen.wikipedia.org/wiki/Cuban_Missile_Crisis | secondary | La crisis de los misiles de Cuba (1962) |
| Miller Center, UVA — Kennedy foreign affairs (Cuban Missile Crisis)millercenter.org/president/kennedy/foreign-affairs | secondary | La crisis de los misiles de Cuba (1962) |
| Miller Center, UVA — John Quincy Adams foreign affairs (Monroe Doctrine)millercenter.org/president/jqadams/foreign-affairs | secondary | La Doctrina de las Partes (1823) |
| Miller Center, UVA — John Quincy Adams presidency biographymillercenter.org/president/jqadams | secondary | La Doctrina de las Partes (1823) |
| Wikipedia — John Quincy Adamsen.wikipedia.org/wiki/John_Quincy_Adams | secondary | La Doctrina de las Partes (1823) |
| Miller Center, UVA — John Quincy Adams: Campaigns and Electionsmillercenter.org/president/jqadams/campaigns-and-e | secondary | La Elección de 1824 y el trato corrupto (1824-1825) |
| Wikipedia — 1824 United States presidential electionen.wikipedia.org/wiki/1824_United_States_president | secondary | La Elección de 1824 y el trato corrupto (1824-1825) |
| Wikipedia — Corrupt bargainen.wikipedia.org/wiki/Corrupt_bargain | secondary | La Elección de 1824 y el trato corrupto (1824-1825) |
| Miller Center, UVA — John Tyler presidency biographymillercenter.org/president/tyler | secondary | La anexión de Texas (1845) |
| Wikipedia — Texas annexationen.wikipedia.org/wiki/Texas_annexation | secondary | La anexión de Texas (1845) |
| Wikipedia — John Tyleren.wikipedia.org/wiki/John_Tyler | secondary | La anexión de Texas (1845) |
| Miller Center, UVA — Lyndon B. Johnson presidency biographymillercenter.org/president/lyndon-b-johnson | secondary | La Gran Sociedad y los Derechos Civiles (1964-1965) |
| National Archives Milestone Documents, Civil Rights Act (1964)www.archives.gov/milestone-documents/civil-rights- | primary | La Gran Sociedad y los Derechos Civiles (1964-1965) |
| National Archives Milestone Documents, Voting Rights Act (1965)www.archives.gov/milestone-documents/voting-rights | primary | La Gran Sociedad y los Derechos Civiles (1964-1965) |
| National Archives, Milestone Documents — Medicare and Medicaid Act (30 July 1965)www.archives.gov/milestone-documents/medicare-and- | primary | Medicare y Medicaid (1965) |
| Lyndon B. Johnson Presidential Library — 'Remarks With President Truman at the Signing of the Medicare Bill' (30 July 1965)www.lbjlibrary.org/object/text/remarks-president-t | primary | Medicare y Medicaid (1965) |
| The American Presidency Project — 'Remarks With President Truman at the Signing in Independence of the Medicare Bill' (30 July 1965)www.presidency.ucsb.edu/documents/remarks-with-pre | primary | Medicare y Medicaid (1965) |
| Miller Center, UVA — Van Buren domestic affairs (Panic of 1837)millercenter.org/president/vanburen/domestic-affai | secondary | El Pánico de 1837 |
| Miller Center, UVA — Martin Van Buren presidency biographymillercenter.org/president/vanburen | secondary | El Pánico de 1837 |
| Wikipedia — Martin Van Buren (Panic of 1837)en.wikipedia.org/wiki/Martin_Van_Buren | secondary | El Pánico de 1837 |
| Miller Center, UVA — Martin Van Buren: Campaigns and Electionsmillercenter.org/president/vanburen/campaigns-and- | secondary | El Tesoro Independiente (1840) |
| Wikipedia — Independent Treasuryen.wikipedia.org/wiki/Independent_Treasury | secondary | El Tesoro Independiente (1840) |
| Miller Center, UVA — Millard Fillmore presidency biographymillercenter.org/president/fillmore | secondary | El Compromiso de 1850: la firma de Fillmore |
| Wikipedia — Millard Fillmore (Compromise of 1850)en.wikipedia.org/wiki/Millard_Fillmore | secondary | El Compromiso de 1850: la firma de Fillmore |
| Miller Center, UVA — Zachary Taylor (compromise context)millercenter.org/president/taylor/domestic-affairs | secondary | El Compromiso de 1850: la firma de Fillmore |
| Miller Center, UVA — Richard Nixon presidency biographymillercenter.org/president/nixon | secondary | Watergate y la dimisión (1972-1974) |
| Wikipedia — Watergate scandalen.wikipedia.org/wiki/Watergate_scandal | secondary | Watergate y la dimisión (1972-1974) |
| National Archives — Watergate records (research investigations)www.archives.gov/research/investigations/watergate | primary | Watergate y la dimisión (1972-1974) |
| Miller Center, UVA — Ronald Reagan presidency biographymillercenter.org/president/reagan | secondary | Reagan y el fin de la Guerra Fría (1981-1989) |
| Wikipedia — Cold War (1985-1991 era)en.wikipedia.org/wiki/Cold_War | secondary | Reagan y el fin de la Guerra Fría (1981-1989) |
| Wikipedia — Intermediate-Range Nuclear Forces Treatyen.wikipedia.org/wiki/Intermediate-Range_Nuclear_F | secondary | Reagan y el fin de la Guerra Fría (1981-1989) |
| The American Presidency Project — 'Remarks on Signing the Economic Recovery Tax Act of 1981 and the Omnibus Budget Reconciliation Act of 1981' (13 August 1981)www.presidency.ucsb.edu/documents/remarks-signing- | primary | La Reaganomics y la ley fiscal de 1981 |
| Ronald Reagan Presidential Library — '“Reaganomics”: The Economic Recovery Tax Act of 1981' (Education blog)reagan.blogs.archives.gov/2016/08/15/reaganomics-t | secondary | La Reaganomics y la ley fiscal de 1981 |
| Ronald Reagan Presidential Library — Topic Guide 'Economic Policy' (ERTA and policy overview)www.reaganlibrary.gov/archives/topic-guide/economi | secondary | La Reaganomics y la ley fiscal de 1981 |
| Miller Center, UVA — Rutherford B. Hayes presidency biographymillercenter.org/president/hayes | secondary | El fin de la Reconstrucción (1877) |
| Wikipedia — Rutherford B. Hayes (end of Reconstruction)en.wikipedia.org/wiki/Rutherford_B._Hayes | secondary | El fin de la Reconstrucción (1877) |
| Wikipedia — Compromise of 1877en.wikipedia.org/wiki/Compromise_of_1877 | secondary | El fin de la Reconstrucción (1877) |
| Miller Center, UVA — Roosevelt foreign affairs (Panama Canal)millercenter.org/president/roosevelt/foreign-affai | secondary | El Canal de Panamá (1904-1914) |
| Miller Center, UVA — Theodore Roosevelt presidency biographymillercenter.org/president/roosevelt | secondary | El Canal de Panamá (1904-1914) |
| Wikipedia — Panama Canalen.wikipedia.org/wiki/Panama_Canal | secondary | El Canal de Panamá (1904-1914) |
| Miller Center, UVA — 'Theodore Roosevelt: Domestic Affairs' (Square Deal, anthracite strike of 1902)millercenter.org/president/roosevelt/domestic-affa | secondary | El Square Deal y la lucha contra los trusts (1902-1908) |
| Miller Center, UVA — 'December 6, 1904: Fourth Annual Message' (Theodore Roosevelt, the Square Deal)millercenter.org/the-presidency/presidential-speec | primary | El Square Deal y la lucha contra los trusts (1902-1908) |
| Theodore Roosevelt Center (Dickinson State) — Encyclopedia entry 'The Square Deal'www.theodorerooseveltcenter.org/encyclopedia/polit | secondary | El Square Deal y la lucha contra los trusts (1902-1908) |
| Miller Center, UVA — Jefferson domestic affairs (Louisiana Purchase)millercenter.org/president/jefferson/domestic-affa | secondary | La Compra de Luisiana (1803) |
| National Archives Milestone Documents, Louisiana Purchase Treaty (1803)www.archives.gov/milestone-documents/louisiana-pur | primary | La Compra de Luisiana (1803) |
| Wikipedia — Thomas Jefferson (Louisiana Purchase)en.wikipedia.org/wiki/Thomas_Jefferson | secondary | La Compra de Luisiana (1803) |
| Library of Congress, 'Rivers, Edens, Empires' — Transcript: Jefferson's Instructions for Meriwether Lewis, 20 June 1803loc.gov/exhibits/lewisandclark/transcript57.html | primary | La Expedición de Lewis y Clark (1804-1806) |
| Moulton (ed.), Journals of the Lewis and Clark Expedition, University of Nebraska Presslewisandclarkjournals.unl.edu/ | primary | La Expedición de Lewis y Clark (1804-1806) |
| Monticello — Jefferson's Instructions to Meriwether Lewis (June 20, 1803)www.monticello.org/lewis-and-clark/preparing-for-t | secondary | La Expedición de Lewis y Clark (1804-1806) |
| American Philosophical Society — Lewis and Clark Journals collectionas.amphilsoc.org/repositories/2/resources/696 | secondary | La Expedición de Lewis y Clark (1804-1806) |
| National Archives, Milestone Documents — 15th Amendment to the U.S. Constitution: Voting Rights (1870)www.archives.gov/milestone-documents/15th-amendmen | primary | La Decimoquinta Enmienda (1870) |
| Library of Congress, Research Guide — 15th Amendment to the U.S. Constitutionguides.loc.gov/15th-amendment | secondary | La Decimoquinta Enmienda (1870) |
| GovInfo, 'The Constitution of the United States of America' — Amendments XI–XXVII (15th Amendment, ratified 1870)www.govinfo.gov/content/pkg/CDOC-110hdoc50/pdf/CDO | secondary | La Decimoquinta Enmienda (1870) |
| Miller Center, UVA — Grant domestic affairs (Reconstruction)millercenter.org/president/grant/domestic-affairs | secondary | La Reconstrucción y los derechos civiles |
| Miller Center, UVA — Ulysses S. Grant presidency biographymillercenter.org/president/grant | secondary | La Reconstrucción y los derechos civiles |
| Wikipedia — Ulysses S. Grant (Reconstruction)en.wikipedia.org/wiki/Ulysses_S._Grant | secondary | La Reconstrucción y los derechos civiles |
| Miller Center, UVA — Warren G. Harding presidency biographymillercenter.org/president/harding | secondary | El escándalo de Teapot Dome (1922-1929) |
| Wikipedia — Teapot Dome scandalen.wikipedia.org/wiki/Teapot_Dome_scandal | secondary | El escándalo de Teapot Dome (1922-1929) |
| Miller Center, UVA — Calvin Coolidge (successor context)millercenter.org/president/coolidge | secondary | El escándalo de Teapot Dome (1922-1929) |
| Miller Center, UVA — William Henry Harrison presidency biographymillercenter.org/president/william-harrison | secondary | La presidencia más breve (1841) |
| Wikipedia — William Henry Harrison (presidency)en.wikipedia.org/wiki/William_Henry_Harrison | secondary | La presidencia más breve (1841) |
| Wikipedia — William Henry Harrison (death)en.wikipedia.org/wiki/William_Henry_Harrison | secondary | La presidencia más breve (1841) |
| Miller Center, UVA — William McKinley presidency biographymillercenter.org/president/mckinley | secondary | La Guerra Hispano-Estadounidense (1898) |
| Wikipedia — Spanish-American Waren.wikipedia.org/wiki/Spanish%E2%80%93American_War | secondary | La Guerra Hispano-Estadounidense (1898) |
| Wikipedia — Treaty of Paris (1898)en.wikipedia.org/wiki/Treaty_of_Paris_(1898) | secondary | La Guerra Hispano-Estadounidense (1898) |
| Miller Center, UVA — William Howard Taft presidency biographymillercenter.org/president/taft | secondary | El cisma de 1912: Taft, Roosevelt y Wilson |
| Wikipedia — United States presidential election, 1912en.wikipedia.org/wiki/1912_United_States_president | secondary | El cisma de 1912: Taft, Roosevelt y Wilson |
| Wikipedia — William Howard Taften.wikipedia.org/wiki/William_Howard_Taft | secondary | El cisma de 1912: Taft, Roosevelt y Wilson |
| National Archives Milestone Documents, President Woodrow Wilson's 14 Points (1918)www.archives.gov/milestone-documents/president-woo | primary | Los Catorce Puntos y la Liga de Naciones (1918-1920) |
| Miller Center, UVA — Woodrow Wilson presidency biographymillercenter.org/president/wilson | secondary | Los Catorce Puntos y la Liga de Naciones (1918-1920) |
| Avalon Project, Yale Law — Wilson's Fourteen Pointsavalon.law.yale.edu/20th_century/wilson14.asp | secondary | Los Catorce Puntos y la Liga de Naciones (1918-1920) |
| FRASER, St. Louis Fed — Public Law No. 43, 63d Congress: the Federal Reserve Act (23 December 1913)fraser.stlouisfed.org/files/docs/historical/fr_act | primary | La Nueva Libertad y la Reserva Federal (1913) |
| The American Presidency Project — Woodrow Wilson, 'Address to a Joint Session of Congress on the Banking System' (23 June 1913)www.presidency.ucsb.edu/documents/address-joint-se | primary | La Nueva Libertad y la Reserva Federal (1913) |
| Library of Congress, Woodrow Wilson Collection — 'The New Freedom', Doubleday, Page & Co., 1913www.loc.gov/item/13003076/ | secondary | La Nueva Libertad y la Reserva Federal (1913) |
| Miller Center, UVA — Taylor domestic affairs (Compromise of 1850)millercenter.org/president/taylor/domestic-affairs | secondary | El Compromiso de 1850 |
| Miller Center, UVA — Zachary Taylor presidency biographymillercenter.org/president/taylor | secondary | El Compromiso de 1850 |
| Wikipedia — Zachary Taylor (Compromise of 1850)en.wikipedia.org/wiki/Zachary_Taylor | secondary | El Compromiso de 1850 |