Names
- Adams, Herbert Baxter1
- Aga-Oglu, Mehmet, 1896-1949.1
- Agassiz1
- Agassiz, Louis, 1807-1873.1
- Aigler, Ralph William, 1885-1964.1
- Aiton, Arthur S. (Arthur Scott), 1894-1955.1
- Albeladejo, José M.1
- Allen, J. A. (Joel Asaph), 1838-1921.1
- Allen, John Robins, 1869-1920.1
- Allen, Shirley Walter, 1883-1
- Alt, Glenn Leslie.1
- Altshuler, Samuel Simon, 1902-1
- Amenia Seminary1
- American Academy in Rome.1
- American Historical Association.1
- Anderson, Henry Clay, 1872-1939.1
- Andrews, Edmund, 1824-1904.1
- Angell Hall (University of Michigan)1
- Angell family.1
- Angell, Avery Aldrich, 1807-1894.1