Fonds consists of materials which document and reflect Charles Humphries' involvement with the Historic Sites and Monuments Board, and the Provincial Heritage Advisory Board. The materials include correspondence, reports, minutes (published and unpublished), and agenda papers (published and unpublished). Research materials include typed notes from newspaper articles, photocopies of newspaper articles, papers, transcripts and photocopies from various Canadian and British archives, and copies of death and birth certificates. Fonds also includes some biographical materials. Fonds consists of the following seven series: Historic Sites and Monuments Board of Canada, British Columbia Provincial Heritage Advisory Board, Biographical, Research Materials, Teaching Materials, Correspondence, and Published Materials.

The fonds contains fourteen series: Organizational Affiliations (1921to1963), Articles and Reviews (1921to 1956), Correspondence (1876 to1980), Personal Material (1904 to1960), Addresses and Writings (1914 to 1959), Subject Files (1936 to1956), Printed Material (1855 to1965), UBC (1931 to 1952), Sage Family (1915 to 1971), Research Files (19‐‐), Miscellaneous Material (19‐‐), Publications Collected by Sage (19‐‐), Printed Materials Collected by Sage (19‐‐), and Photographs (1913? to 1964) series.