Mining and Soil Research in German South West Africa. - Individual cases: vol. 1 Ajouter au presse-papier BArch, R 1001/1276 Dossier Dez. 1886 - Juli 1902 Fait partie de Federal Archives (Archivtektonik) Contains among other things: Berhard Schwarz, In the Goldfields of German Southwest Africa, Magdeburg 1889 In: Mining and soil research >> Mining and Soil Research in German South West Africa. - isolated cases