- Author: Paolo Spriano
- Language: Italian
- Year: 1989
- Author: Paolo Spriano
- Language: Italian
- Year: 1997
- Author: Paolo Spriano
- Language: Italian
- Year: 1997
- Author: Paolo Spriano
- Language: Italian
- Year: 1983
- Author: Paolo Spriano
- Language: Italian
- Year: 1983
- Author: Paolo Spriano Gwyn A. Williams
- Language: English
- Year: 1975
- Author: Paolo Spriano
- Language: Italian
- Year: 1975