Creator
- Anthony, Clifton S. 1
- Apollo Club1
- Arechiga, Leopoldo 1
- Arend, Nelson A.1
- Armstrong, McLellan & Green1
- Army Air Corps1
- Arnold, Samuel, 1740-1802 1
- Arthur, Helene M. 1
- Asbury, Francis, 1745-18161
- Ashe, E. M.1
- Associate Reformed Synod (1782-1801)1
- Astley, Thomas1
- Auerbach, Felix, 1856-19331
- Bacon, Elizabeth Clayton 1
- Baden, Frances Henshaw, -19112
- Baggs, Dale H. 1
- Bagley, E. E. 2
- Bailey, George A.1
- Baker, Ernest Hamlin, 1889-19752
- Baldock, Sydney C. 1