Keppel, Ernst, Geometer: vol. 1 Add to clipboard BArch, R 1002/927 File 1911-1914 Part of Federal Archives (Archivtektonik) In: Personnel files A - Z >> Keppel, Ernst, Geometer
Keppel, Ernst, Geometer: vol. 2 Add to clipboard BArch, R 1002/928 File 1911-1914 Part of Federal Archives (Archivtektonik) In: Personnel files A - Z >> Keppel, Ernst, Geometer