United States. Bureau of Labor Statistics. "Union Scales of Wages and Hours in the Printing Trades, May 15, 1936 : Bulletin of the United States Bureau of Labor Statistics, No. 631," Union Wages and Hours : Printing Trades (May 15, 1936). https://fraser.stlouisfed.org/title/3961/item/494361, accessed on September 11, 2024.