- Author: Michael Drasdo
- Language: German
- Year: 2011
- Author: Martin Henssler, Heinz Josef Willemsen, Heinz-Jürgen Kalb (editors)
- Language: German
- Year: 2012
- Author: UmsatzsteuerForum – Vereinigung zur wissenschaftlichen Pflege des Umsatzsteuerechts e.V., Joachim Englisch, Hans Nieskens (editors)
- Language: German
- Year: 2011
- Author: Marcel Krumm
- Language: German
- Year: 2014
- Author: Oliver M. Habel, Max J. Rauch
- Language: German
- Year: 2005
- Author: Rechtsanwaltskammer Düsseldorf (editor)
- Language: German
- Year: 2010
- Author: Lutz Aderhold, Barbara Grunewald, Dietgard Klingberg, Walter G. Paefgen (editors)
- Language: German
- Year: 2008
- Author: Ulrich Burgard
- Language: German
- Year: 2006
- Author: Björn Gaul, Dietrich Boewer
- Language: German
- Year: 2014