- Author: Alexis de Tocqueville a cura di Nicola Matteucci
- Language: Italian
- Year: 1968
- Author: Alexis de Tocqueville a cura di Nicola Matteucci
- Language: Italian
- Year: 1969
- Author: Norberto Bobbio, Nicola Matteucci, Gianfranco Pasquino, et al
- Language: Portuguese
- Year: 2000