- Author: Liliana Ruth Feierstein (editor), Vera Elisabeth Gerling (editor)
- Language: Spanish, Castilian
- Year: 2008
- Author: Stefanie Diekmann (editor), Winfried Gerling (editor)
- Language: German
- Year: 2015
- Author: Ilona E. Gerling
- Language: English
- Year: 2009
- Author: Heinrich Gerling
- Language: Spanish
- Year: 1984
- Author: H. Gerling
- Language: English
- Year: 2006
- Author: Claudia Gerling
- Language: English
- Year: 2015