Area Wage Survey: The Baltimore, Maryland, Metropolitan Area, September 1968 : Bulletin of the United States Bureau of Labor Statistics, No. 1625-8
United States. Bureau of Labor Statistics. "Area Wage Survey: The Baltimore, Maryland, Metropolitan Area, September 1968 : Bulletin of the United States Bureau of Labor Statistics, No. 1625-8," Area Wage Survey (1969). https://fraser.stlouisfed.org/title/4655/item/498453, accessed on April 26, 2024.