- Author: Graziano Gasparini Luise Margolies
- Language: Spanish
- Year: 1977
- Author: Graziano Gasparini Luise Margolies
- Language: Spanish
- Year: 1977
- Author: Lisbet Bengtsson
- Language: English
- Year: 1998
- Author: Jean-Pierre Protzen
- Language: English
- Year: 1993
- Author: Graziano Gasparini Luise Margolies Translated by Patricia J. Lyon
- Language: English
- Year: 1980