- Author: Norbert Schwab, Stephan Weth (editors)
- Language: German
- Year: 2021
- Author: Jochen Schneider, Friedrich Westphalen (editors)
- Language: German
- Year: 2013
- 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
