Hans-Jurgen Ohff: Empires of enterprise: German and English commercial interests in East New Guinea 1884 to 1914. University of Adelaide 2008, S. 157 ff. (online).
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Stewart G. Frith: The New Guinea Company, 1885–1899: a case of unprofitable imperialism. In: Historical Studies. Bd. 15, Nr. 59, 1972, ISSN0728-6023, S. 361–377.