Names
- Adams, Herbert Baxter1
- Affleck, Thomas.1
- Agassiz, Alexander, 1835-1910.1
- Agassiz, Louis, 1807-1873--Portraits.1
- Aitken, Robert, 1735-1802.1
- Akst, Harry, 1894-1963.1
- Alcott, Louisa May, 1832-1888--Portraits.1
- Alden, Timothy, 1771-1839.1
- 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
- American Academy in Rome.1
- American Historical Association.1
- American Society for the Diffusion of Useful Knowledge.1
- Anderson, Richard Heron, 1821-1879--Portraits.1
- Anderson, Robert, 1805-1871--Portraits.1
- Andrade, Ignacio, 1836-1925--Portraits.1
- Andrade, Ignacio, 1836-1925.1
- Andrews, John, 1764-1845.1