commercial interests in East New Guinea 1884 to 1914 Thesis (Ph.D.) University of Adelaide, School of History and Politics p 26 quoting Schleinitz to Admiralty
Note: Papua New Guinea”. US State Department (April 2007). 2007年8月14日閲覧。 ^ a b c d Dorney, Sean (2001). Papua New Guinea: people, politics and history since