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Books about Gennat:
A la guerre comme naguère. Frontispice de Pierre Gennat. by Gérard BLUA (1977)
Das Gefangniswesen Hamburgs (1906) (German Edition) by Gennat, Georg published by Kessinger Publishing, LLC (2010... (Sep 10, 2010)
Wiki information Gennat:
Ernst August Ferdinand Gennat was director of the Berlin criminal police. He worked under three political systems in his 30 years career as one of the most gifted and successful criminologists in Germany. Among other things, he worked on the cases of...