United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Slaughtering and Meat-Packing Industry, 1917 : Bulletin of the United States Bureau of Labor Statistics, No. 252,"
Wages and Hours of Labor in the Slaughtering and Meat-Packing Industry
(August 1919).
https://fraser.stlouisfed.org/title/3926/item/476889, accessed on April 17, 2025.
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