German Naval Expeditions of Naval Surgeon Dr. Emil Stephan and Prof. Dr. Augustin Friedrich Kraemer to the German Pacific Colonies: vol. 1 Zur Zwischenablage hinzufügen BArch, R 1001/2370 Akt(e) März 1907 - Sept. 1911 Teil vonFederal Archives (Archivtektonik) In: German Marine Expeditions of Naval Staff Physician Dr. Emil Stephan and Prof. Dr. Augustin Friedrich Kraemer to the German Pacific Colonies
German Naval Expeditions of Naval Surgeon Dr. Emil Stephan and Prof. Dr. Augustin Friedrich Kraemer to the German Pacific Colonies: vol. 2 Zur Zwischenablage hinzufügen BArch, R 1001/2371 Akt(e) Okt. 1911 - Apr. 1912 Teil vonFederal Archives (Archivtektonik) In: German Marine Expeditions of Naval Staff Physician Dr. Emil Stephan and Prof. Dr. Augustin Friedrich Kraemer to the German Pacific Colonies