McElroy, Frank S. (Frank Shafer) , United States. Bureau of Labor Statistics and McCormack, George R. (George Robertson). Injuries and Accident Causes in the Pulpwood-Logging Industry, 1943 and 1944 : Bulletin of the United States Bureau of Labor Statistics, No. 924 , Washington: For sale by the Supt. of Docs., U.S. GPO, 1948, https://fraser.stlouisfed.org/title/4363, accessed on September 11, 2024.