From the German Government charts of 1876-1912. Reproduced by Hydrographic Branch, Sydney by permission of the hydrographer. Engraved by Weller & Addison
Allied Geographical Section, “South west Pacific: Plans in the Bismarck Archipelago,” Monash Collections Online, accessed June 8, 2023, https://repository.erc.monash.edu/items/show/30759.