Names
- Alexander, Archibald, 1772-1851.1
- Alexander, James, 1691-1756.1
- Allen, Edward A. H. (Edward Augustus Holyoke), 1828-1898.1
- Allen, William H. (William Henry), 1808-1882.1
- Allen, William, 1803-1879.1
- American Academy in Rome.1
- American Historical Association.1
- American Political Science Association.1
- American Society for the Diffusion of Useful Knowledge.1
- American Spiritualist Alliance.1
- Amistad (Schooner)1
- Andrew, John Albion, 1818-1867.1
- Andrews, John, 1764-1845.1
- Angel, William Gardner, 1790-1858.1
- Angell family.1
- Angell, Alexis C. (Alexis Caswell), 1857-1932.1
- Angell, Avery Aldrich, 1807-1894.1
- Angell, James Burrill, 1829-19161
- Angell, James Burrill, 1829-1916.1
- Angell, Sarah Caswell, 1831-1903.1