TitleSouth Pacific Ocean Bismarck Archipelago:Harbours in New Hanover and the Tingwon Group (Portland Islands)ContributorAllied Geographical SectionDescriptionContains the individual maps Neu-Hanover: Drei Insel Hafen; Neu-Hanover: West-Hafen; Neu-Hanover: Ungalabu Hafen; Neu-Hanover: Lobungai Hafen; S-Stilier Ozean: Tingwon Gruppe (Portland Inseln); Tingwon Gruppe: Beligila Hafen Variation for 1916 (nearly stationary). From the chart published by the German Admiralty. Reproduced by the Hydrographic Branch, Dept. of the Navy, SydneyLanguageGermanEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1943). Monash Uni, accessed 16/04/2026, https://collections.monash.edu/nodes/view/78226
