Names
- Adams, Randolph Greenfield, 1892-1951.1
- Aga-Oglu, Mehmet, 1896-1949.1
- Agassiz, Alexander, 1835-1910.1
- Aigler, Ralph William, 1885-1964.1
- Aiton, Arthur S. (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 Council on Education.1
- American Wildlife Institute.1
- Anderson, Henry Clay, 1872-1939.1
- Angell, Alexis C. (Alexis Caswell), 1857-1932.1
- Angell, James Burrill, 1829-1916.1
- Angell, James Rowland, 1869-1949.1
- Angell, Robert Cooley, 1899-1