* Lost home. As a guard trooper and farmer in the southwest. With a foreword by Hans Grimm and textile illustrations by H. Aschenborn. Second edition* Experience report of a member of the Schutztruppe in Deutsch-Südwestafrika Ajouter au presse-papier 16/625<2> Dossier 1928 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Verlag von Paul Parey
* Unforgotten heroism* Unforgotten heroism. The colonization work of the German Schutztruppe and Marine. A memorial book Ajouter au presse-papier 10/1555 Dossier 1924 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Kolonialwarte (Agencia Duems) Berlin
Chained prisoners, including an "albino wizard", guarded by African soldiers of the Protection Force Ajouter au presse-papier BA 2015/1570 Dossier 09.1910 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Koch, Carl
Several African men on a village square, one African member of the police force each on the left and right* The runner Ajouter au presse-papier BA 2015/1797 Dossier um zwischen 1910 und 1911 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Koch, Carl
The German Südwester. The story of a colonial fighter* Experience report of a German soldier of the Schutztruppe in Deutsch-Südwestafrika during the First World War Ajouter au presse-papier 16/622 Dossier 1939 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Ensslin & Laiblin
Youth book about the German colony Cameroon* Drums call through Cameroon. With many pictures by Wilhelm Petersen Ajouter au presse-papier 16/648<11. Tsd.> Dossier 1934 Fait partie de German Historical Museum Foundation In: German Historical Museum Foundation Petersen, Erich Robert