- Author: Robert Edgar-Hunt John Marland James Richards Gülengül Altıntaş
- Language: Turkish
- Year: 2012
- Author: Huw Richards
- Language: English
- Year: 2022
- Author: Huw Richards
- Language: English
- Year: 2020
- Author: Jeffrey Richards
- Language: English
- Year: 2014
- Author: H. M. S. Richards
- Language: Spanish
- Year: 2009
- Author: Jack C. Richards David Bohlke
- Language: English
- Year: 2018
- Author: Jack C. Richards David Bohlke
- Language: English
- Year: 2018
- Author: David L Richards Jillienne Haglund
- Language: English
- Year: 2015
- Author: Olly Richards, Alex Rawlings
- Language: English
- Year: 2018