
- Author: Ernesto Grassi
- Language: Spanish
- Year: 2015

- Author: Ernesto Grassi
- Language: Spanish
- Year: 1999

- Author: Ernesto Grassi
- Language: Spanish
- Year: 2006

- Author: Ernesto Grassi
- Language: Spanish
- Year: 2006

- Author: Ernesto Grassi
- Language: Spanish
- Year: 1999

- Author: Ernesto Grassi Hugo Schmale (Hg.)
- Language: German
- Year: 1987

- Author: Ernesto Grassi
- Language: German
- Year: 1979

- Author: Ernesto Grassi
- Language: Italian
- Year: 1992