Literary notes and drafts of Anne McCosker's poems and stories, personal correspondence, research papers and correspondence relating to the history of Australian New Guinea before and after World War Two, World War One letters from Lieutenant F.W.S. (Fred) Martin, and photographs relating to Anne McCosker's family history in Australian New Guinea. Many of the letters, research documents and photographs relating to New Guinea were used as source material for Anne McCosker's book Masked Eden: A History of the Australians in New Guinea.

Photographic prints of people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Ningau, Witu and Rabaul. Many of the photographs show local people and European-Australians.

Photographic prints atached to bound sheets of paper with a cover sheet stating, 'Early folders of photos for use in Masked Eden. Some used, some not.' The photographs are numbered and the folder is accompanied by a corresponding list of captions. The photographs show members of the McCosker family and their New Guinea associates, local people who were probably plantation employees or their relations, and scenes from locations in New Guinea where the McCoskers were based. A second set of photographic prints, attached to loose sheets of cardboard, feature similar subjects. The file contains a photograph album (28 pages : 98 b&w photographs ; 13 x 18 x 2 cm) attributed to Winifred Francis Martin, which contains photographic prints from the mid-1930s of scenes and Indigenous people from the northern islands of New Guinea. The file also contains three photographs; two of the photographs show Australian military personnel returning to Australia in 1918 aboard the Euripides; the third photograph, taken in the 1950s, is of Annie Scott, who was aboard the Euripides during the 1918 voyage. The notes on the reverse of the photograph of Scott reference the monograph Homeward on H.M.T. A14 March 1918, compiled by the passengers during the voyage.

Photographic prints and postcards showing people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Matala Plantation and Rabaul. Many of the photographs feature local people.

Photographic prints of people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Matala Plantation, Kolopo and Rugenhafen. Some of the photographs feature members of the McCosker family and their associates. The album also contains a sequence of photographic negatives attributed to Walford King which show Chinese and Japanese fishing boats and cargo ships.

Photographic prints and postcards showing people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Maron Plantation, Matala Plantation, Gumyitke Creek and Rabaul. Many photographs feature local people and European-Australians.

Photographic prints showing people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Wara-Ta-Bar (New Ireland), Ningau, Matala Plantation and Witu. Many of the photographs feature local people wearing ceremonial dress, undertaking ceremonial performances and posing for the photographer. Most of the photographs were taken in the 1930s.

Photographic prints of plantation life, people and scenery in Australian New Guinea. Locations include Rabaul, Witu, Matala Plantation, Gumyitke Creek (New Britain), and Vunakambi Plantation. Many of the photographs feature Stan and Marjorie McCosker and local people employed as plantation labourers and house servants. The majority of the photographs were taken in the 1920s and 1930s. A small number were taken at Matala Plantation in 1948.

Photographic prints of people, plantation life and scenery in the Australian Territory of New Guinea. Locations include Witu, Raulaurat Plantation, Kavieng (New Ireland), Ningau (Witu), Londip Plantation, and Samarai. Many of the photographs feature local people and European-Australians.

Photographic prints, postcards and some photographic negatives relating to the history of European-Australians involved with the plantation economy of Australian New Guinea. The series include images of Anne McCosker's family and their expatriate associates, local people participating in ceremonial performances, engaged in plantation labour or posing in portrait or group shots, and views of various locations in New Britain, New Ireland and other northern islands of New Guinea where the McCosker family was based. The majority of the photographs were taken in the 1920s, 1930s and the postwar 1940s, and many are captioned. Some were published in Anne McCosker's book, Masked Eden.

There are approximately 1243 b&w photographs, 53 b&w photo postcards and 12 negatives in this series.