by Hermann von Wissmann ; translated from the German by Minna J.A. Bergmann ; with a map by F.S. Weller and 92 illustrations after drawings by R. Hellgrewe and Klein-ChevalierGregg International1971
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著者標目Wissmann, Hermann von Bergmann, Minna J. A. Weller, F. S. Hellgrewe, Rudo...