The fonds consists of correspondence and subject files pertaining to various locals of the International Association of Machinists. Also included is material from the B.C. Federation of Labour, Canadian Congress of Labour (1970-1984), Ontario Federation of Labour (1972- 1977), the provincial and federal CCF and NDP, as well as other material pertaining to labour and politics. There are also tapes of radio broadcasts and material relating to Thayer's personal interests.

The fonds consists of records pertaining to B.C. Women's Rights committees as well as to the Task Force on Older Women in British Columbia. Included are sound recordings (cassettes) of hearings conducted by the Task Force, steering committee annual files (1975-1983), correspondence, committees, conferences, subject files, newsletters (1973-1984), publications, ephemera and resource files. The Task Force records include administration files (1979-1983), correspondence, briefs, hearings, publications, ephemera and printed material.

The fonds consists of minutes, agendas, reports, correspondence, notebooks, financial records, lists, speeches and subject files generated by the Vancouver-Kingsway Constituency Association of the NDP (1972- 1975). Also included are minutes of the Vancouver East Riding Association (1957-1958), records of the CCF Provincial Executive (1955-1959), minutes of the Greater Vancouver Water and Drainage Workers (1964-1966), maps, surveys and photographs.