Two ledgers detailing expenses, incomes and assets of the Matala Plantation from July 1954 to June 1955.

Correspondence between Stan McCosker and the University of Queensland relating to the application by Anne McCosker for enrolment as an external studies student in a Bachelor of Arts degree.

Two letters and typed manuscripts of 10 short articles about life in New Britain.

Letters, newspaper cuttings and an extract from The Rabaul Times. Most of the file comprises letters written in New Guinea by Marjorie McCosker to her friend in Australia, Madge White, addressed in the letters as Whitey.

Documents relating to the Japanese military invasion of New Britain. Includes a letter from Stan to Marjorie McCosker dated 17 December 1941; correspondence between Marjorie and Francie King; a statement by A.J. Gaskin, S. McCosker and T.H. Targett concerning the military and civilian administration of Rabaul up to 22 January 1942; a copy of a statement by Mr McGowan about the Japanese invasion; a handwritten draft of a short story titled 'Escape' by Robin McCosker; and two newspaper cuttings.

Statements, personal accounts, copies of military records, memoirs and newpaper cuttings relating to the Japanese invasion and occupation of Rabaul.

Letters by Stan McCosker to Walford King, mostly relating to re-establishing the Matala Plantation after the war. The file also contains two letters from the Department of External Territories to Marjorie McCosker granting her permission to return to the Territory of Papua New Guinea.

Assorted newspaper cuttings and articles about Heinrich Wahlen and other topics relating to colonial life in New Guinea. The file also contains letters from Stan McCosker to The Bulletin.

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.

Six notebooks containing ideas and notes for stories and plays, three greeting cards, and two typed manuscripts of a short story titled 'The Favourite Uncle'.