Subseries consists of records documenting Belshaw's involvement with the Social Science Research Council of Canada (SSRCC). Materials include minutes, correspondence, reports, financial statements, and policy statements.

Subseries consists of records documenting the Canadian Sociology and Anthropology Association (CSAA) activities.

Subseries consists of correspondence and reports documenting the activities of the International Social Science Council (ISSC).

Subseries consists of records documenting Belshaw's involvement with the United Nations Educational, Scientific, and Cultural Organization (UNESCO). The materials include correspondence, reports, bulletins, minutes, and financial records.

Subseries consists of records documenting Belshaw's part in organizing the eleventh International Congress of Anthropological and Ethnological Sciences. The materials include correspondence, minutes, financial records, reports, promotional materials, and manuscripts for Congress papers and presentations.

Subseries consists of records documenting Belshaw's involvement with the International Federation of Scientific Editors Associations (IFSEA).

Subseries based on an arrangement by the creator; as such, there is some overlap with other sub-series in this series. Materials include correspondence, reports, minutes, and publications from various organizations.

Series consists mainly of records documenting the circumstances surrounding the disappearance and death of Betty Belshaw. It also covers the investigation into Cyril Belshaw, the Swiss trial, his subsequent acquittal, and the aftermath for the Belshaw family. This series includes records created by Betty and the family collected for Cyril's defence. Records include personal correspondence, letters of support and condolence, procedure records, photographs, press clippings, manuscripts, drafts, and ephemera.

Series consists of materials produced through Belshaw's research, divided into sub-series according to three main areas of study: Pacific Islands, military, and British Columbia. Records include original research journals, draft manuscripts, reference materials, annotated publications, clippings, photographs and correspondence.

Series consists of records documenting Belshaw's administrative and teaching activities at the University, including departmental, senate committee and Faculty Association activities. The materials include correspondence, reports, minutes, financial records, course outlines, and clippings.

Subseries consists of records documenting Belshaw's involvement with the International Union of Anthropological and Ethnological Sciences (IUAES), including correspondence, minutes, reports, publications, and financial records.

Series consists of records documenting Belshaw's education, career, and retirement activities. In addition, these records cover his time at UBC and his personal and professional interests during that period. The materials include correspondence, policy statements, reports, travel itineraries, press clippings, and published materials.

Series consists of correspondence about Belshaw's professional activities. Includes associated materials such as publications, press clippings, reports, and ephemera.

Series consists of records documenting Belshaw's activities with various national and international academic and non-governmental organizations. Series is divided into sub-series covering major agencies and projects. Materials include minutes, reports, correspondence, financial records, pamphlets, publications, clippings, and notes.

Subseries contains original research/data, correspondence and annotated reference materials related to groups in the South Pacific, including the Solomon Islands, Fiji, and Papua New Guinea. It also includes some miscellaneous essays on other groups outside the area.

Subseries contains reports and material focused on the RAF (Royal Air Force) and a report Belshaw produced on productivity in the military.

Subseries contains original research/data, correspondence and annotated reference materials related to various projects focused in BC. Topics include representation of First Nations in BC and the National Film Board, recreation facilities on the North Shore, restaurants in Greater Vancouver, and transit.

The fonds consists of Cyril Belshaw's personal and professional papers. The professional records chronicle both his involvement in numerous local, national, and international organizations (including the Academic Board for Higher Education in British Columbia, the Regional Training Centre for United Nations Fellows, the Social Science Research Council of Canada, the Pacific Sciences Association, UNESCO, and the Canadian Sociology and Anthropology Association), and his teaching and administrative activities at UBC. The records also include his original research material and data into various groups in the South Pacific, and other topics in anthropology. More personal records related to his education and family. Also included are materials about the disappearance and subsequent inquiry into the death of Betty Joy Belshaw. The materials include meeting minutes, course materials, publications, manuscripts, research journals, personal diaries and agendas, financial statements, press clippings, photographs, maps and audio-visual materials.

Subseries consists of minutes, reports, correspondence, pamphlets, and notes regarding the Academic Board for Higher Education.

Subseries consists of records documenting the Regional Training Centre for United Nations Fellows, based at International House at UBC. The materials include correspondence, reports, minutes, financial records, publications, and clippings.

Subseries consists of correspondence, reports, minutes, financial records, and the Pacific Science Association (PSA) by-laws.