- Author: Bård A. Andreassen, Gordon Crawford
- Language: English
- Year: 2013
- Author: Gordon Crawford (editor) Abdul-Gafaru Abdulai (editor)
- Language: English
- Year: 2021
- Author: Gordon Crawford Gabrielle Lynch
- Language: English
- Year: 2012
- Author: Gordon Crawford (auth.)
- Language: English
- Year: 2001
- Author: Gordon Crawford & Christof Hartmann
- Language: English
- Year: 2008