TitlePlans in New Guinea from the German Government charts of 1912:Astrolabe Bay, Sek Harbour, Finsch Harbour and Langemak Bay, Madang Harbour, Konstantin Harbour,ContributorAllied Geographical SectionDescriptionReproduced by Hydrographic Branch, Syndey. Scale: 1.777777778LanguageEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1943). Monash Uni, accessed 18/05/2026, https://collections.monash.edu/nodes/view/77514