- Author: John Gaffney (auth.)
- Language: English
- Year: 2010
- Author: John Gaffney (auth.)
- Language: English
- Year: 2017
- Author: John Gaffney (auth.)
- Language: English
- Year: 1989
- Author: John Gaffney (auth.)
- Language: English
- Year: 1991
- Author: John Gaffney (auth.)
- Language: English
- Year: 2010