- Author: Werner Heun
- Language: German
- Year: 1943
- Author: Robert Alexy, Philip Kunig, Werner Heun, Georg Hermes, Wilfried Erbguth, Wolfram Höfling, Rudolf Streinz, Astrid Epiney
- Language: German
- Year: 2002
- Author: Werner Heun Volker Lipp
- Language: German
- Year: 2008
Deutsche Verfassungsdokumente 1806-1849, Volume 3, Part IV , Hessen-Kassel, Mecklenburg-Strelitz
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- Author: Werner Heun
- Language: German
- Year: 2007