- Author: Christopher Griffin
- Language: English
- Year: 2022
- Author: Christopher Griffin
- Language: English
- Year: 2015
- Author: Christopher Griffin
- Language: English
- Year: 2016
- Author: Christopher Griffin
- Language: English
- Year: 2015
- Author: Shashi Phoha Thomas F. La Porta Christopher Griffin
- Language: English
- Year: 2006