John A. Whittaker edited Early Land Surveyors of British Columbia (P.L.S. Group), published by the Corporation of Land Surveyors of British Columbia to mark the 100th anniversary of the passing of the Land Surveyors Act in 1891. Robert W. Allen coordinated the biographies of 142 pioneer surveyors for a follow-up volume entitled The L.S. Group: British Columbia's First Land Surveyors (Assn. of BC Land Surveyors $30 2007).