- Author: Alan F. Chalmers
- Language: Spanish
- Year: 1976
- Author: Alan F. Chalmers
- Language: French
- Author: Alan F. Chalmers
- Language: English
- Year: 2017
- Author: Alan F. Chalmers
- Language: English
- Year: 2013
- Author: Alan Francis Chalmers
- Language: English
- Year: 2013
- Author: Alan F. Chalmers
- Language: Spanish
- Year: 1999
- Author: Alan F. Chalmers (auth.)
- Language: English
- Year: 2017
- Author: Alan F. Chalmers
- Language: English
- Year: 2013
- Author: Alan F. Chalmers
- Language: Spanish
- Year: 2000