Vaillancourt, François. “The Role of Language in the Determination of the Labour Earnings of Quebec Males in 1970.” In Reflections on Canadian Incomes : Selected Papers Presented at the Conference on Canadian Incomes, May 10-12, 1979, Winnipeg, Manitoba, 191–213. Ottawa, ON: Economic Council of Canada, 1980. http://publications.gc.ca/collections/collection_2018/ecc/EC22-78-1980-eng.pdf.