The fonds consists of minutes, reports, correspondence, and other records of the MCC-BC and its predecessors (including the Provincial Mennonite Relief Committee, British Columbia and the Provincial Mennonite Relief and Immigration Committee). Fonds includes records relating to national and international affiliates as well as some collected material on Mennonites.

The fonds consists of files on various churches affiliated with the B.C. Conference, correspondence with missions and churches, files relating to pastoral internships, and minutes of the Board of Church Extension. Fonds also consists of records of the West Coast Children's Mission Committee, the Missionskommittee, and the Mennonite Brethren Mission of British Columbia Board.

The fonds consists of some administrative and operational records for the Society, generated by Mr. Leonoff in his capacity as a director, an extensive collection of historical research material, as well as drafts and correspondence relating to publication of this historical research material in various monographs and articles.

The fonds consists of records including the administrative and operational files of the branch.

The fonds consists of records relating to the National Committee for the New Party (1960-1961), which was established to found a new social democratic part in Canada, and Home's records relating to the Canadian Labour Congress (CLC). Fonds includes minutes, reports and texts of speeches given by George Home, clippings, correspondence, policy statements, articles by T.C. Douglas, text of speech by Ed Broadbent, subject files on the Canadian political system and photographs of delegates at labour conventions.

The fonds consists of environmental subject files, which include reports, clippings, correspondence, and letters to newspaper editors.

The fonds consists of correspondence, reports, clippings, photographs and hand-drawn maps that document Madsen's involvement in various environmental campaigns in the Okanagan region. Campaigns include: Bodega Head, 1962; Brent Mountain, 1961-92; Spotted Lake, 1978-89; Trout Creek, 1972-93; and Uranium, 1971-95. The fonds also includes several files on the Sierra Club, 1971-83; and the Okanagan Similkameen Parks Society, 1966-69; and 4 chalk drawings of landscapes.

The fonds is arranged in 12 series: Alpha-numeric series (A1-W27), 1959-93; Derrick Mallard series, 1947-2001; Gwen Mallard series, 1968-97; B.C. Environmental Associations, 1972-2000; BC Environmental newsletters, 1970-2000; Community Associations, 1990-2000; Capital Regional District, 1990-2000; Foundations, 1994-2000; Issues, 1973-2000; Land preservation, 1990-2000; Awards, 1992-2001; Photographs. The Alpha-Numeric system was established by Derrick Mallard in the early years of his environmental work. The vast majority of the files were left un-filed, and constitute the Mallards research files relating to their C.A.S.E. work. These have been arranged in series reflecting the subject groupings of his early alpha-numeric system. Administrative files relating to C.A.S.E. have been arranged in the B.C. Environmental Associations series. Approximately 300 reports and publications have been transferred to Special Collections, and cataloged as the Derrick Mallard Collection. They are on a wide variety of environmental subjects, including: water, sewage, transportation, parks, farming, noise, fishing, endangered species and global issues.

Fonds consists of annual reports, budgets, meeting minutes, policies, correspondence, court records, proposals, research reports, publications, and subject files generated by SPEC in the course of carrying out its functions and activities.

The fonds consists of the constitution, minutes (1938-1944) and correspondence (1943-1944) of the B.C. Principals Association.