Names
- Adams, Edward Larrabee.1
- Adams, Ephraim Douglass, 1865-1930.1
- Adams, Henry Carter, 1851-1921.1
- Adams, Henry Foster, 1882-1973.1
- Adams, James P. (James Pickwell), 1895-1969.1
- Aga-Oglu, Mehmet, 1896-1949.1
- Agassiz, Alexander, 1835-1910.1
- Aiton, Arthur S. (Arthur Scott), 1894-1955.1
- Aiton, Arthur Scott, 1894-1955.1
- Albeladejo, José M.1
- Allen, Glover Morrill, 1879-1942.1
- Allen, John Robins, 1869-1920.1
- Allen, Shirley Walter, 1883-1
- Alt, Glenn Leslie.1
- Altshuler, Samuel Simon, 1902-1
- Amaral, Afræanio, do, 1894-1
- American Civil Liberties Union.1
- American Psychiatric Association.1
- American Wildlife Institute.1
- Ames, Herman Vandenburg, 1865-1935.1