Hamburg Colonial Institute. - Central office: Vol. 1 Add to clipboard BArch, R 8023/302 File Febr. 1912 - Aug. 1920 Part of Federal Archives (Archivtektonik) In: Hamburg Colonial Institute. - central office German Colonial Society
Hamburg Colonial Institute. - Central office: Vol. 2 Add to clipboard BArch, R 8023/303 File April 1911 - Dez. 1922 Part of Federal Archives (Archivtektonik) In: Hamburg Colonial Institute. - central office German Colonial Society