- Author: Michael Stolleis, Heinz Schäffer, René A. Rhinow, Klaus Lange, Rüdiger Breuer
- Language: German
- Year: 1986
- Author: Detlef Merten, Walter Berka, Otto Depenheuer, Christoph Degenhart, Helmuth Schulze-Fielitz, Heinz Schäffer, Alexander Ruch
- Language: German
- Year: 1996