- Author: James David Pickering
- Language: English
- Year: 2021
- Author: David Pickering
- Language: English
- Year: 2013
- Author: David Pickering
- Language: English
- Year: 2005
- Author: David Pickering
- Language: English
- Year: 2013
- Author: James David Pickering
- Language: English
- Year: 2021
- Author: David Pickering
- Language: English
- Year: 2013
- Author: David Pickering
- Language: English
- Year: 1998
- Author: David Pickering
- Language: English
- Year: 1997
- Author: David Pickering
- Language: English
- Year: 2009