Granting of a concession to the manufacturer W. H. Wischer for the phosphate production on Angaur Island, which belongs to the Palau Group. Add to clipboard BArch, R 1001/2453 File Sept. 1905 - Dez. 1906 Part of Federal Archives (Archivtektonik) In: Reichskolonialamt >> R 1001 Reichskolonialamt >> Südsee >> Gesellschaften und Vereine; BArch, R 1001 Reichskolonialamt