- Author: Keith J. Walker
- Language: English
- Year: 2010
- Author: Janet Mola Okoko, Scott Tunison, Keith D. Walker
- Language: English
- Year: 2023
- Author: Janet Mola Okoko Scott Tunison Keith D. Walker
- Language: English
- Year: 2023
- Author: Keith M. Walker
- Language: English
- Year: 2008
- Author: B. R. Davies K. F. Walker (auth.) Dr. Bryan R. Davies Dr. Keith F. Walker (eds.)
- Language: English
- Year: 1986
- Author: Keith G. Walker
- Language: English
- Year: 2004