- Author: E. Hofmann, W. Schellenberger, K. Eschrich
- Language: German
- Year: 1984
- Author: Finn Ed and Eschrich Joey
- Language: English
- Year: 2017
- Author: Berg Kirsten, Bosch Torie, Eschrich Joey, Finn Ed, Martinez Andrés, Ulman Juliet
- Language: English
- Year: 2019
- Author: Walter Eschrich (auth.)
- Language: German
- Year: 1995
- Author: Hans-Günther Wagemann Heinz Eschrich (auth.)
- Language: German
- Year: 2010
- Author: Professor Walter Eschrich (auth.)
- Language: German
- Year: 1995
