- Author: Friedrich Breyer
- Language: German
- Year: 2020
- Author: Friedrich Breyer (auth.)
- Language: German
- Year: 2008
- Author: Friedrich Breyer Wolfgang Buchholz (auth.)
- Language: German
- Year: 2009
- Author: Professor Dr. Friedrich Breyer (auth.)
- Language: German
- Year: 2004
- Author: Prof. Dr. Friedrich Breyer Prof. Dr. Peter Zweifel (auth.)
- Language: German
- Year: 1992
- Author: Prof. Dr. Friedrich Breyer Prof. Dr. Peter Zweifel (auth.)
- Language: German
- Year: 1997
- Author: Professor Dr. Friedrich Breyer Professor Dr. Peter Zweifel Dr. rer. pol. Mathias Kifmann (auth.)
- Language: German
- Year: 2005
- Author: Professor Dr. Friedrich Breyer (auth.)
- Language: German
- Year: 2005
- Author: Friedrich Breyer (auth.)
- Language: German
- Year: 2015
