50 black and white photographs of Papua New Guinea, depicting landscapes, aeroplanes and airstrips, goldmines and indigenous people. Places depicted include Rabaul, Salamaua, Wau, Lae, Bulolo, Durantina, and Watut. Photographs taken by R.N. Wilson; handwritten identifying notes on the back of each.

Personal and professional papers, including biographical material and family history, official correspondence 1927 to 1932, personal and professional correspondence 1932 to 1972, diaries 1913 to 1971, manuscripts, public lectures, radio scripts, reports, reprints, files relating to his service with UNRAA and United Nations, photographs. Interests include the Royal Historical Society of Queensland, National Trust of Australia and Australian League of Rights. Includes photographs of New Guinea from 1920s; also some papers relating to Sister Elizabeth Kenny, and indigenous people of north Queensland.

567 photographs of Papua New Guinea (including Sepik River, Hermit Islands, Marienberg Mission, Central Mountains, Yuat River Warrior, Maramuni River Area and Maron); also photographs of Brisbane 1912-1914. Handwritten descriptive notes by John Murphy on back of Papua New Guinea photographs.

1479 35mm slide mounted transparencies, most individually captioned. Slides were arranged into subject files by the creator, as outlined below. Also 39 35mm negatives.

==Album 1==
2 pages of notes
Cath Healy, 18 slides
Mrs C-D personal, 21 slides
Papua 1-400, 229 slides
Papua and New Guinea 401-800, 211 slides

==Album 2==
Brisbane, 83 slides
NSW & ACT, 118 slides
USA, 21 slides
France, 12 slides
Pacific isles, 160 slides
Mekeo agricultural development, 211 slides
Mekeo rice project, 39 negatives

==Album 3==
Black and white II [images from PNG], 276 slides
Black and white III [images from PNG], 122 slides

Bound album of black and white photographs. Appears to be a record of Appel's voyage while Home Secretary in the Queensland Government Steamer "Otter" in 1914 which went as far north as Daru on the coast of south-western Papua.

74 black and white photographs of Papua New Guinea, showing people and places in and around Rabaul, Edie Creek, Lae, Bulolo, Wau and Salamaua. Scenes from Rabaul include indigenous and European people, aeroplanes, buildings and beached whales or porpoises. Photographs of Edie Creek and Bulolo include depictions of mining camps and mining operations. Wau scenes include buildings, pit sawing, the airstrip and a crashed aeroplane. Each photograph has handwritten identifying notes on the back.

Two hundred and twenty five photographs (mostly black and white photographs), eighteen real photo postcards, and four 35 mm negatives. These photographic images are mostly taken Papua New Guinea, mainly depicting Bulolo gold fields. Many of the photographs have been taken by Wally Doe or feature him (and his wife Billie). Handwritten identifying notes on the back of most photographs; some of these notes are by John Murphy.

Accompanied by one album, 14 x 20 cm, with 23 black and white photographs with a typescript note pasted to the front cover with information about what became of the dredges during the Second World War. These photographs have been attached to the pages using photo corners; it appears some may have been removed or lost at some time.