- Author: Josef Braml (editor), Wolfgang Merkel (editor), Eberhard Sandschneider (editor)
- Language: German
- Year: 2015
- Author: Josef Braml (editor), Wolfgang Merkel (editor), Eberhard Sandschneider (editor)
- Language: German
- Year: 2015
- Author: Sascha Kneip Wolfgang Merkel Bernhard Weßels
- Language: German
- Year: 2020
- Author: Wolfgang Merkel (auth.)
- Language: German
- Year: 1999
- Author: Wolfgang Merkel, Raj Kollmorgen, Hans-Jurgen Wagener
- Language: English
- Year: 2019
- Author: Wolfgang Merkel Sascha Kneip
- Language: English
- Year: 2018
- Author: Wolfgang Merkel Claudia Ritzi (eds.)
- Language: German
- Year: 2017
- Author: Sonia Alonso John Keane Wolfgang Merkel
- Language: English
- Year: 2011
- Author: Sonia Alonso John Keane Wolfgang Merkel
- Language: English
- Year: 2011
- Author: Sonia Alonso (ed.) John Keane (ed.) Wolfgang Merkel (ed.)
- Language: English
- Year: 2011