Astrolabe-Company: Bd. 1 Add to clipboard BArch, R 1001/2427 File März 1891 - Dez. 1892 Part of Federal Archives (Archivtektonik) In: Astrolabe-Company
Astrolabe-Company: Bd. 2 Add to clipboard BArch, R 1001/2428 File Nov. 1892 - Okt. 1895 Part of Federal Archives (Archivtektonik) In: Astrolabe-Company
Astrolabe-Company: Bd. 3 Add to clipboard BArch, R 1001/2429 File Okt. 1895 - März 1897 Part of Federal Archives (Archivtektonik) In: Astrolabe-Company