- Allen, John K., active 19th century, author2
- Allen, Joseph Eve, author3
- Allen, Mervyn E., author1
- Allen, Nathan, 1813-188911
- Allen, Nathan, 1813-1889 author1
- Allen, Nathan, 1813-1889, author17
- Allen, Paul W.1
- Allen, R. L. (Richard L.), 1808-18731
- Allen, Stephen, 1767-18523
- Allen, Thomas.1
- Allen, Timothy Field, 1837-190215
- Allen, Timothy Field, 1837-1902, author3
- Allen, William A., M.D., author1
- Allen, William, 1784-18681
- Allen-Davis, Jandel, author1
- Alley, James T.1
- Alleyne, J. S. B. (Jeremiah Smith Bois), 1826-18951
- Allibone, S. Austin (Samuel Austin), 1816-1889 compiler4
- Allied Forces. Army Group, 21st, author.1
- Allied Forces. South Pacific Area. Malaria and Epidemic Disease Control, author, issuing body.1