Notebook D32: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Iwam, Nagatman (Yale), Busa (Odiai), Abau, Namie (Namia). Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). https://catalog.paradisec.org.au/collections/DL2/items/041.