- Author: Watts S. Humphrey
- Language: English
- Year: 2005
- Author: Humphrey Carpenter
- Language: English
- Year: 2000
- Author: J. R. R. Tolkien Humphrey Carpenter
- Language: English
- Year: 2000
- Author: Berrah PhD Norah, Humphrey Marc, Pancella Paul V.
- Language: English
- Year: 2015
- Author: Neill Humphrey B.
- Language: English
- Year: 1954
- Author: NEILL Humphrey B.
- Language: English
- Year: 1931
- Author: HUMPHREY ETHELYN VIRGINIA
- Language: English
- Author: Humphrey Robert
- Language: English
- Year: 1954
- Author: Andrew N. Sherwood, Milorad Nikolic, John W. Humphrey, John P. Oleson
- Language: English
- Year: 2020
- Author: Thomas M. Humphrey, Richard H Timberlake
- Language: English
- Year: 2019