- Author: John W. Cairns, Paul J. du Plessis
- Language: English
- Year: 2007
- Author: Paul J. du Plessis
- Language: English
- Year: 2022
- Author: Paul J. du Plessis
- Language: English
- Year: 2016
- Author: Paul J. du Plessis, John W. Cairns
- Language: English
- Year: 2015
- Author: John W. Cairns, Paul J. du Plessis
- Language: English
- Year: 2010
- Author: Paul J. du Plessis
- Language: English
- Year: 2013
- Author: Sinclair W. Bell, Paul J. du Plessis
- Language: English
- Year: 2022
- Author: Paul J. du Plessis
- Language: English
- Year: 2015
- Author: Paul J. du Plessis (editor)
- Language: English
- Year: 2018
- Author: Paul J. du Plessis
- Language: English
- Year: 2020