Abaddon (biblical character) [1 reference]

Abascal y Sousa, Fernando de [1 subentry]

Academic disciplines [7 subentries + 1 “see also” entry]

Acadia County, La. [1 reference]

Acasta (British frigate) [3 references]

Accomack County, Va. [1 reference]

Accounting [1 reference]

Actors [2 references]

Adair, John [1 reference + 1 “see also” entry]

Adams, Benjamin [1 reference]

Adams, Caleb [1 reference]

Adams, George Washington [1 reference]

Adams, John [5 references + 7 subentries]

Adams, John (son of J. Q. Adams) [1 reference]

Adams, John Quincy [7 references + 2 subentries]

Adams, Louisa Catherine Johnson (Mrs. John Quincy) [1 reference]

Adams (U.S. frigate) [4 references]

Address to the People of the United States [1 reference]

Aeolus (British frigate) [1 reference]

Africa [1 reference + 3 subentries]

Agriculture [3 references + 4 subentries]

Alabama River [3 references]

Alabama Territory [1 reference]

Alachua, E.Fla. [1 reference]

Alazán, Battle of (1813) [1 reference]

Albany, N.Y. [5 references + 3 subentries]

Albany Argus [1 reference]

Albany Register [1 reference]

Albemarle County, Va. [5 references]

Albemarle Sound [3 references]

Alburg, Vt. [1 subentry]

Alexander I (of Russia) [10 references]

Alexander, John Byers [2 references]

Alexandria, D.C. (now Va.) [7 references]

Alexandria Gazette, Commercial and Political [1 reference]

Algiers [5 references + 1 subentry]

Ali Dey (of Algiers) [3 references]

Aliens [11 references]

Allan, William [1 subentry]

Allegany County, Md. [2 references]

Allegany (U.S. ship) [3 references]

Allegheny County, Pa. [1 reference]

Allegheny Mountains [1 reference]

Allen, Andrew [1 subentry]

Allen, George [1 reference]

Allen, Mr. (prisoner in France) [2 references]

Allen, William [1 reference]

Allen, William H. [1 subentry]

Alum Spring, Va. [1 reference]

Álvarez de Jonte, Antonio [1 reference + 1 subentry]

Amelia Island, E.Fla. [4 references]

American & Commercial Daily Advertiser (Baltimore) [1 reference]

American Artist's Manual, or Dictionary of Practical Knowledge… [1 reference]

American Daily Advertiser (Philadelphia) [3 references]

American Fur Company [2 references]

American Philosophical Society [3 references]

American Watchman; and Delaware Republican (Wilmington) [3 references]

American Whig Society [2 references]

Amherst Bay, Lake Ontario [1 reference]

Amherstburg, Upper Canada [4 references]

Amherst County, Va. [1 reference]

Ammidon, Philip [4 references + 1 subentry]

Amsterdam, Netherlands [3 references]

Anacostia River [1 reference]

Analostan (U.S. ship) [1 reference]

Analostan Island, D.C. (now Theodore Roosevelt Island) [1 reference]

Anderson, Joseph [4 references + 2 subentries + 1 “see also” entry]

Anderson, Samuel T. [2 references]

Anderson, Thomas D. [2 references]

Andrews & Jones (auctioneers) [1 reference]

Andrews, David [1 reference]

Andrews, Robert [1 reference + 1 subentry]

Angus, Samuel [1 subentry]

Annapolis, Md. [9 references + 2 subentries]

“Anticipation of Marginal Notes …” (essay) [1 reference]

Antigua [1 reference]

Apalachicola, W.Fla. [1 reference]

Apodaca, Juan Ruiz de [1 subentry]

Apollyon (biblical character) [1 reference]

Appleton, John [5 references + 2 subentries]

Appleton, Nathaniel [1 reference]

Appleton, Thomas [1 reference]

Architecture [1 reference]

Argentina [1 reference]

Argus (U.S. brig) [7 references]

Armistead, George [1 reference]

Armistead, William [1 reference]

Armistice [4 references + 1 “see also” entry]

Arms and ammunition [9 references + 22 subentries + 3 “see also” entries]

Armstrong, Henry B. [1 reference]

Armstrong, James Francis [1 reference + 2 subentries]

Armstrong, John [4 references + 45 subentries]

Armstrong, William, Jr. [1 reference]

Army, U.S. [4 references + 46 subentries + 4 “see also” entries]

Arroyo Hondo [1 reference]

Ars Poetica [1 reference]

Ashburton, England [1 reference]

Ashtabula County, Ohio [1 subentry]

Asp (U.S. schooner) [1 reference]

Astor, John Jacob [6 references + 3 subentries]

Astoria [3 references]

Atherton, Charles [1 subentry]

Atlantic Ocean [2 references]

Attakulpia (Creek chief) [1 reference]

Atwater, Jesse [4 references + 1 subentry]

Auchincloss, Ann Anthony Stuart (Mrs. Hugh) [1 reference]

Auchincloss, Hugh [1 reference]

Augusta County, Va. [1 reference]

Auguste, Henry [2 references]

Aurora General Advertiser (Philadelphia) [4 references]

Austin, Benjamin, Jr. [2 references + 1 subentry + 1 “see also” entry]

Austin, Benjamin (son of B. Austin Jr.) [1 reference]

Austin, Daniel [1 reference]

Austin, Eliphalet [1 reference]

Austin, James Trecothick [2 references]

Austin, Stephen F. [1 reference]

Austinburg, Ohio [1 reference]

Australia [2 references]

Austria [3 references]