- Author: Cynthia L. Allen
- Language: English
- Year: 2019
- Author: Russell W. Maguire (editor) Ronald F. Allen (editor)
- Language: English
- Year: 2023
- Author: Allen Calhoun
- Language: English
- Year: 2021
- Author: Elliot Snow, H. Allen Gosnell
- Language: English
- Year: 1932
- Author: James S. Allen
- Language: English
- Year: 1952
- Author: Artur Mrowczynski-Van Allen, Teresa Obolevitch
- Language: English
- Year: 2016
- Author: Artur Mrowczynski-Van Allen, Teresa Obolevitch, Pawel Rojek
- Language: English
- Year: 2018
- Author: Artur Mrowczynski-Van Allen, Teresa Obolevitch, Pawel Rojek
- Language: English
- Year: 2019
- Author: Nicholas Peter Legh Allen
- Language: English
- Year: 2020
- Author: Danid Allen
- Language: Portuguese
- Year: 2016