Union Wages and Hours: Printing Industry, July 1, 1956 : Bulletin of the United States Bureau of Labor Statistics, No. 1207
United States. Bureau of Labor Statistics. "Union Wages and Hours: Printing Industry, July 1, 1956 : Bulletin of the United States Bureau of Labor Statistics, No. 1207," Union Wages and Hours : Printing Trades (April 1957). https://fraser.stlouisfed.org/title/3961/item/495694, accessed on April 17, 2024.