Campbell's unpublished papers and drafts on Australian Aboriginal archaeology and anthropology include the following:

• 'Notes on the aboriginals of South Australia and native camp sites near Adelaide' (typescript, c. 1924). Includes references to Aboriginal campsites on the River Murray and Coorong and on the Adelaide Plains, including Normanville, Sellicks Beach, Pedler's Creek, Port Noarlunga, Hallett's Cove, Camden, Fulham and the Reedbeds.
  
  
• 'Comparative human odontology', typescript draft (c. 1955).
  
  
• Typescript paper titled 'Professor Campbell', apparently a paper on Aboriginal dentition delivered at a seminar in c. 1960s.
  
  
• 'Food and dental health (A study of some basic factors as seen in the Australian Aboriginal)'. Typescript paper, with handwritten corrections, on Aboriginal dentition and diet (c. 1960).
  
  
• 'The Aboriginal - his coming and going'. Typescript, with handwritten corrections. Discussion of the origins of the Australian Aboriginal people, and their supposed extinction.
  
  
• 'Billy the Rainmaker' (typescript, with handwritten corrections); the story of the death of an Aboriginal rainmaker in Central Australia.
  
  
• Various handwritten and typescript drafts of Campbell's published paper 'The Kimberley point - an interesting Australian Aboriginal stone implement'.
  
  
• Untitled typescript draft, with handwritten corrections, on Aboriginal microlithic stone artefacts.
  
  
• 'Aborigines and open spaces'; draft foreword and list of contents for a proposed collection of Campbell's short papers and articles. A typescript draft of 'Say when man!' is included; this paper discusses some Aboriginal subsistence techniques in central Australia.
  
  
• Several typescript drafts of a paper entitled 'Relics'; observations of Aboriginal campsites and stone artefacts in northern South Australia.
  
  
• Typescript draft entitled 'Essentials' documenting some Aboriginal subsistence strategies in central Australia. This draft appears to be one of Campbell's ABC radio broadcasts ('Armchair chat', 3 May 1959).
  
  
• Typescript draft with handwritten corrections entitled 'The song that reached my ears'; Campbell's observations on Aboriginal songs and music.
  
  
• Typescript drafts, with corrections entitled 'Ten little fingers and ten little toes'. This paper discusses Aboriginal techniques for the manufacture of stone and wooden tools, Aboriginal string-games and some observations of Aboriginal tracking skills.
  
  
• Draft obituary for Dr Henry Kenneth Fry (AA 105).
  
  
• Typescript copies of 'Anthropology and the Royal Society', an address to the Royal Society of South Australia, c. 1936. This paper provides a brief history of anthropological studies in South Australia and a discussion of the Society's contribution to Aboriginal studies.
  
  
• Typescript 'J. B. Cleland (AA 60) and Anthropology' (c. 1950). Discussion of Cleland's contribution to Aboriginal anthropology in South Australia.