Union Scales of Wages and Hours in the Building Trades in 70 Cities, May 15, 1937 : Bulletin of the United States Bureau of Labor Statistics, No. 657
United States. Bureau of Labor Statistics. "Union Scales of Wages and Hours in the Building Trades in 70 Cities, May 15, 1937 : Bulletin of the United States Bureau of Labor Statistics, No. 657," Union Wages and Hours in the Building Trades (April 1938). https://fraser.stlouisfed.org/title/4200/item/494435, accessed on May 10, 2024.