- Author: Robert Martin Baum
- Language: English
- Year: 1999
- Author: Robert Martin, Stuart Adam
- Language: English
- Year: 1994
- Author: Brian Robert Martin, Graham Shaw
- Language: English
- Year: 2019
- Author: Robert Winter (editor), Robert Martin (editor)
- Language: English
- Year: 2023
- Author: Robert Martin
- Language: English
- Author: Brian Robert Martin G. Shaw
- Language: English
- Year: 2019
- Author: George Robert Martin III
- Language: English
- Author: Robert Martin (auth.) Robert Martin (eds.)
- Language: English
- Year: 2005
- Author: Robert Martin (auth.)
- Language: English
- Year: 2000
- Author: Robert Martin (auth.)
- Language: English
- Year: 1997