UBC Library's Open Collections has digitized a large selection of BC Sessional Papers from the years 1876 - 1932:
British Columbia Sessional Papers contain materials that document the political, historical, economic and cultural history of British Columbia. The Sessional Papers include official committee reports, orders of the day, petitions and papers presented, records of land sales, correspondence, budgetary estimates, proclamations, maps, voters lists by district, and departmental annual reports.
The BC Sessional Papers can be found at UBC Open Collections.