- Anderson, Charles, 1814-18951
- Anderson, James, d. 18161
- Anderson, Robert M. (Robert Meredith)1
- Anderson, Thomas A.2
- Anderson, William, M.D2
- Andral, G. (Gabriel), 1797-18766
- Andry, Félix, 1808-18801
- Annan, Samuel, 1797-18681
- Annesley, James, Sir, 1780-18471
- Antony, Milton, 1789-18391
- Appleton, Jesse, 1772-18191
- Aran, F. A. (François Amilcar), 1817-18611
- Aranda, Pascual de.1
- Araujo, José Xavier Lopes de.1
- Archer, James, 1779-18151
- Arcularius, Henry, author1
- Armstrong, H. K.1
- Armstrong, John, 1709-17794
- Armstrong, John, 1784-18299
- Arnell, David R., 1770 or 1771-18262