McCormack, George R. (George Robertson) , McElroy, Frank S. (Frank Shafer) and United States. Bureau of Labor Statistics. Injuries and Accident Causes in the Slaughtering and Meat-Packing Industry, 1943 : Bulletin of the United States Bureau of Labor Statistics, No. 855 , Washington: For sale by the Supt. of Docs., U.S. G.P.O., 1946, https://fraser.stlouisfed.org/title/4321, accessed on September 6, 2024.