* 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 Zur Zwischenablage hinzufügen 16/625<2> Akt(e) 1928 Teil vonGerman 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 Zur Zwischenablage hinzufügen 10/1555 Akt(e) 1924 Teil vonGerman 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 Zur Zwischenablage hinzufügen BA 2015/1570 Akt(e) 09.1910 Teil vonGerman 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 Zur Zwischenablage hinzufügen 16/622 Akt(e) 1939 Teil vonGerman Historical Museum Foundation In: German Historical Museum Foundation Ensslin & Laiblin