Schumann, Gunter E.von, 1939- The Submarine Telegraph Cable link at Swakopmund 1899 - 1914 / by Gunter E.von Schumann - Windhoek, 1986 - SWA Annual p. 145-153 ill. 1986 . Subjects--Topical Terms: Communication Dewey Class. No.: PER 95 SWA Annual