- Author: David L. Scott, Almut Oetjen, Ulrich Scheele, Holger Wacker
- Language: German
- Year: 2000
- Author: Holger Wacker, Jürgen Blank
- Language: German
- Year: 1999
- Author: Grant Wacker
- Language: English
- Year: 2019
- Author: Kai-Olaf Lang Gudrun Wacker (eds.)
- Language: German
- Year: 2013
- Author: Gudrun Wacker
- Language: German
- Year: 2015
- Author: Alexandra Sakaki Gudrun Wacker
- Language: German
- Year: 2017
- Author: Felix Heiduk Gudrun Wacker
- Language: German
- Year: 2020
- Author: Hanns Günther Hilpert Alexandra Sakaki Gudrun Wacker (eds.)
- Language: German
- Year: 2022
- Author: Robbyn R. Wacker Karen A. Roberto
- Language: English
- Year: 2018
- Author: Bernd Wacker
- Language: German
- Year: 1996