- Author: Rachel Dodds, Richard W Butler
- Language: English
- Year: 2019
- Author: Richard W. Butler
- Language: English
- Year: 2017
- Author: Richard W Butler, Wantanee Suntikul
- Language: English
- Year: 2010
- Author: Richard J. Butler (auth.)
- Language: English
- Year: 1999
- Author: Richard W Butler Roslyn Russell
- Language: English
- Year: 2010