Occupational Wage Survey: Portland, Oregon, April 1958 : Bulletin of the United States Bureau of Labor Statistics, No. 1224-16
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Portland, Oregon, April 1958 : Bulletin of the United States Bureau of Labor Statistics, No. 1224-16," Occupational Wage Survey (July 1958). https://fraser.stlouisfed.org/title/4510/item/495732, accessed on March 29, 2024.