1961 census of Canada. Wage-earners, earnings and employment = Recensement du Canada 1961. Volume III, partie 3, Salariés, gain et emploi ; Bulletin 3.3-6
1961 census of Canada. Wage-earners, earnings and employment = Recensement du Canada 1961. Volume III, partie 3, Salariés, gain et emploi ; Bulletin 3.3-5
1961 census of Canada. Wage-earners, earnings and employment = Recensement du Canada 1961. Volume III, partie 3, Salariés, gain et emploi ; Bulletin 3.3-4