- Author: Georg Simmel
- Language: English
- Year: 1991
- Author: Georg Simmel
- Language: German
- Year: 1930
- Author: Georg Simmel
- Language: Portuguese
- Year: 2006
- Author: Georg Simmel, Salvador Mas
- Language: Spanish
- Year: 2001
- Author: Georg Simmel José Ramón Pérez-Bances
- Language: Spanish
- Year: 1915
- Author: Georg Simmel
- Language: Spanish
- Year: 1927
- Author: José Pérez Bances, Olga Sabido Ramos, Georg Simmel, Gina Zabludovsky
- Language: Spanish
- Year: 2016
- Author: José Pérez Bances, Olga Sabido Ramos, Georg Simmel, Gina Zabludovsky
- Language: Spanish
- Year: 2016
- Author: Georg Simmel
- Language: Spanish
- Year: 2003
- Author: Georg Simmel
- Language: Spanish
- Year: 2006