The collection consists of textual records, historical notes, newspaper clippings, and research notes. Included in the collection are miscellaneous records acquired from sources including the O'Reilly and Trutch families, Helmcken family, and the Supreme Court of British Columbia. The O'Reilly and Trutch records consist of family correspondence and records relating to Peter O'Reilly's career, particularly his work as the Commissioner of the Indian Reserve Commission. The Helmcken records include correspondence both made and received by John Sebastian Helmcken and James Douglas Helmcken, records relating to J.S. Helmcken's position in the colonial and provincial governments, and estate records. The Supreme Court records include correspondence of Sir Matthew Baillie Begbie, trial records, affidavits, bankruptcy files, estate files and other miscellaneous records. There are also miscellaneous records relating to a number of other notable personalities including the Mesher and Pauline families, J.A. McTavish, J.W. Bushby, W.R. Higgins, David McKean, William Manson, and Josephine Crease. Also includes records of organizations including the Victoria Jockey Club. Research notes consist of information relating to a paper presented by Pearce at the British Columbia Historical Society on John Sebastian Helmcken.