- Author: Loren Lerner, Mary F. Williamson
- Language: French
- Year: 1991
- Author: Loren Lerner
- Language: English
- Year: 1997
- Author: Loren Lerner
- Language: English
- Year: 1997
- Author: Loren Lerner Mary F. Williamson
- Language: English
- Year: 1991
- Author: Loren Lerner
- Language: English
- Year: 2009