The fonds consists of correspondence of the Harris family, principally that of Martha and Dennis Harris, memoirs, journals, business records of Dennis Harris and family memorabilia. Fonds includes records relating to Sir James Douglas and the diary of Martha Harris (with annotations by Douglas). Fonds also includes a survey book of Dennis Harris for a CPR survey at an undetermined location.

The fonds consists of Denton's correspondence relating primarily to Simon Fraser, copies of Simon Fraser's 1806 and 1808 journals, notes on the fur trade, the Gold Rush, the building of the CPR, and other significant historical events.

The fonds consists of journals describing Daniel Mainguy's travels, his life at Chemainus and his work on the Canadian Pacific Railway. [Also available on microfilm.]

The fonds consists of correspondence, manuscripts and notes relating to the Puget's Sound Agricultural Company, the North West Territories and the selection of a route for the Canadian Pacific Railway.

The fonds consists of builders specifications (1949) for the SS Princess Marguerite, a description of Princess fleet vessels of the Canadian Pacific Railway, timetables and photographs of Reginald Tomlinson.

The fonds consists of notes and sketches of exploration from Quesnel to Salmon River, a journal, letterbooks, diaries, correspondence regarding Canadian Collieries (Dunsmuir), Canadian Pacific Railway and surveys.

The fonds consists of a diary of Canadian Pacific Railway surveys of Port Moody and Fraser Valley. [Also available on microfilm.]

The fonds consists of a family register and diary, records (including diaries) relating to Canadian Pacific Railway exploration and construction, a letter book, various memoranda, diary extracts and biographical notes.

The fonds consists of George Hargreaves' diary, survey notes relating to work for the Canadian Pacific Railway, and a "sketch" sent to friends in England.

The fonds consists of Green's diaries relating to survey work for the Canadian Pacific Railway and a survey of Saltspring Island.