- Author: Carlo Gentili (editor), Cathrin Nielsen (editor)
- Language: German
- Year: 2010
- Author: Per Krogh Hansen (editor), Stefan Iversen (editor), Henrik Skov Nielsen (editor), Rolf Reitan (editor)
- Language: English
- Year: 2011
- Author: Niels Davidsen-Nielsen
- Language: English
- Year: 1990
- Author: Carl Bache, Niels Davidsen-Nielsen
- Language: English
- Year: 1997
- Author: Jesper Tang Nielsen
- Language: German
- Year: 2009