- Author: Allen and Greenough
- Language: English-Latin
- Author: W. Sidney Allen
- Language: English-Latin
- Author: Paul Allen Tipler, Gene Mosca
- Language: Spanish, Castilian
- Year: 2020
- Author: Paul Allen Tipler, Gene Mosca
- Language: Spanish, Castilian
- Year: 2020
- Author: Mary J Thornbush (editor) Casey D. Allen (editor)
- Language: English
- Year: 2018
- Author: William S. Allen
- Language: English
- Year: 2016
- Author: Allen F. Isaacman
- Language: English
- Year: 1972
- Author: Allen Lynch
- Language: English
- Year: 1987
- Author: Robert S. Allen
- Language: English
- Year: 1992
- Author: Henry Allen Myers
- Language: English
- Year: 2013