Index: Papers of John Adams, Volume 21, A
- AA
- AA2
- Abdallah, Mohammad ibn (Mohammad III), Emperor of Morocco
- Abeille, Louis Paul (French economist)
- Abenaki Nation
- Aberdeen, Scotland
- Académie royale des sciences (Paris)
- Adams, Abigail, 2d (Nabby, 1765–1813, daughter of AA and JA, wife of WSS, designated as AA2 in The Adams Papers)
- Adams, Abigail Smith (1744–1818, wife of JA, designated as AA in The Adams Papers)
- Adams, Charles (1770–1800, son of AA and JA, designated as CA in The Adams Papers)
- Adams, Charles Francis (1807–1886, son of JQA and LCA, designated as CFA in The Adams Papers)
- Adams, Hannah (1755–1831)
- Adams, John (1735–1826, designated as JA in The Adams Papers)
- Adams, John Quincy (1767–1848, son of AA and JA, designated as JQA in The Adams Papers)
- Adams, Louisa Catherine Johnson
- Adams, Samuel (1722–1803, gov. of Mass., 2d cousin of JA)
- Adams, Susanna Boylston
- Adams, Thomas (Boston printer)
- Adams, Thomas Boylston (1772–1832, son of AA and JA, designated as TBA in The Adams Papers)
- Adams, William (Penn. artillery surgeon)
- Adams, Rev. Zabdiel (1739–1801, cousin of JA)
- Adams, Zabdiel Boylston (1770–1814, son of Rev. Zabdiel)
- Adams National Historical Park
- Addenet, Mr. (French translator)
- Addington, Henry, 1st Viscount Sidmouth (Brit. politician)
- Addison, Joseph
- Adélaïde of France (aunt of Louis XVI)
- Adet, Pierre Auguste (French minister to the U.S.)
- Admiralty (Brit.)
- Adolphus Frederick, Duke of Cambridge, Prince
- Africa
- African Americans
- Agricultural Society of Philadelphia
- Agriculture
- Aix-en-Provence, France
- Alabama
- Albany, N.Y.
- Albany Congress (1754)
- Aldourie, Scotland
- Alexander, Sir William (Brit. statesman)
- Alexander (Brit. ship)
- Alexandria, Va.
- Algiers
- Alicante, Spain
- Ali Hassan Bashaw (Sidi Hassan the Turk), Dey of Algiers
- Allegheny River
- Allen, Jeremiah (Boston merchant)
- Allen, Margaret
- Alsop, Richard
- Amelia County, Va.
- Amelia Peabody Charitable Fund
- American Academy of Arts and Sciences
- American Apollo (Boston)
- American Company (theater troupe)
- American Daily Advertiser (Phila.)
- American Mercury (Hartford, Conn.)
- American Minerva (N.Y.)
- American Museum (Phila.)
- American Philosophical Society
- American Revolution
- Americanus (pseudonym)
- Ames, Fisher (Mass. representative)
- Amsterdam, Netherlands
- Andover, Mass.
- Anglo-American Definitive Peace Treaty
- Anglo-American Preliminary Peace Treaty
- Anishinaabe Nation
- Annapolis, Md.
- Ansbach, Germany
- Antifederalists
- Antwerp, Belgium
- Apollo (Amer. ship)
- Appenzell, Switzerland
- Appleton, Dr. Nathaniel Walker (of Boston)
- Aranda, Pedro Pablo Abarca de Bolea, Conde d’ (Spanish ambassador to U.S.)
- Araujo de Azevedo, Antonio de (Portuguese minister to Netherlands)
- Ardon, John (Natchez, Miss., tavernkeeper)
- Argus (Boston)
- Armed Neutrality (1780)
- Armstrong, James (Penn. representative)
- Army, U.S.
- Art
- Articles of Confederation
- Artists
- Artois, Charles Philippe, Comte d’ (later Charles X)
- Ascention (R.I. slave ship)
- Asia
- Atkinson, Capt. J. (of the Hope)
- Atlantic Ocean
- Atterbury, Francis (Brit. bishop)
- Attorney General, U.S.
- Auglaize River
- Aupaumut, Capt. Hendrick (Mohawk sachem)
- Aurora General Advertiser (Phila.)
- Austin, Benjamin, Jr. (Honestus, Boston merchant)
- Austria
- Austrian Army
- Austrian Netherlands
- Austro-Dutch Army
- Austro-Prussian Army
- Autun, France
- Avaux, Jean Antoine de Mesme, Comte d’ (French diplomat)
- Avery, John (of Hartford, Conn.)
- Avery, John (1739–1806, Mass. secy. of the commonwealth)
- Avery, Robert (father of John)
- Axminster, England