Names
- Aiton, Arthur S. (Arthur Scott), 1894-1955.1
- Aked, Charles Frederic, 1864-1941.2
- Albeladejo, José M.1
- Aldrich, Nelson W. (Nelson Wilmarth), 1841-1915.1
- Allen, J. A. (Joel Asaph), 1838-1921.1
- Allen, John Robins, 1869-1920.1
- Allen, Joseph Henry, 1820-1898.2
- Allen, Shirley Walter, 1883-1
- Alt, Glenn Leslie.1
- Altshuler, Samuel Simon, 1902-1
- Amenia Seminary1
- American Academy in Rome.1
- American Anti-Imperialist League.2
- American Anti-Imperialist, League.1
- American Historical Association.1
- American League to Limit Armaments.2
- Ames, Charles Gordon, 1828-1912.2
- Anderson, Henry Clay, 1872-1939.1
- Andrews, C. F. (Charles Freer), 1871-1940.2
- Andrews, Edmund, 1824-1904.1