1961 census of Canada. Wage-earners, earnings and employment = Recensement du Canada 1961. Volume III, partie 3, Salariés, gain et emploi ; Bulletin 3.3-1
1961 census of Canada. Wage-earners, earnings and employment = Recensement du Canada 1961. Volume III, partie 3, Salariés, gain et emploi ; Bulletin 3.3-7
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
U.S. Department of Labor, Manpower Administration, Region IX in cooperation with Manpower Administration, U.S. Employment Service and Employment Standards Administration, Office of Federal Contract Compliance