Names
- Agassiz, Alexander, 1835-1910.1
- Aigler, Ralph William, 1885-1964.1
- Ainsworth, Arthur Sardius, 1862-1
- Aiton, Arthur S. (Arthur Scott), 1894-1955.1
- Albeladejo, José M.1
- Alger, Frederick Moulton, 1907-1967.1
- Allen, Frederick Lewis, 1890-1954.1
- 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, Clinton Presba, 1895-1
- Anderson, Clinton Presba, 1895-1975.1
- Anderson, Henry Clay, 1872-1939.1
- Angell, Alexis C. (Alexis Caswell), 1857-1932.1