Negotiations about universities abroad in the Association for Commercial Education Zur Zwischenablage hinzufügen Staatsarchiv Hamburg, 361-5 II_A c 17 Akt(e) 1916 Teil vonState Archives Hamburg (Archivtektonik) In: Creation and expansion of departments of the Colonial Institute and of the lecture system
Negotiations with the Federal Foreign Office on the work of the Colonial Institute's intelligence unit Zur Zwischenablage hinzufügen Staatsarchiv Hamburg, 361-5 II_A c 5 Akt(e) 1914 Teil vonState Archives Hamburg (Archivtektonik) In: Creation and expansion of departments of the Colonial Institute and of the lecture system
