Diaries, correspondence, reports and photographs, relating to Murphy's service in the Australian administration of Papua New Guinea in a number of official positions between 1936 and 1969. Includes material relating to John J. Murphy's book, The book of Pidgin English; also a small amount of family history papers relating to the Campbell, Boyd and Pratt families, including letters from Austin Pratt written after his evacuation from Gallipoli.

Photographs, diaries, correspondence, maps, journals, publications, annual reports, typescripts, articles relating to Papua New Guinea by Arthur Lyons, John Murphy, Daphne Winnifred Lyons, and others.