Negotiations in the Citizens' Committee on the expansion of the Colonial Institute and the General Lecture System Zur Zwischenablage hinzufügen Serie Teil vonState Archives Hamburg (Archivtektonik) In: Organization of higher education and the university
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
