- Author: Richard Allen
- Language: English
- Year: 2019
- Author: Richard Allen Lester
- Language: English
- Year: 2015
- Author: Richard Allen Lester
- Language: English
- Year: 2014
- Author: Richard Allen Lester
- Language: English
- Year: 2015
- Author: Richard Allen (editor), Malcolm Turvey (editor)
- Language: English
- Year: 2003
- Author: Salem Bland, Richard Allen
- Language: English
- Year: 1973
- Author: Richard Allen
- Language: English
- Year: 2007
- Author: Salem Bland, Richard Allen
- Language: English
- Year: 1970