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Injury Experience in the Coking Industry, 1951
Injury experience in the metal and nonmetal industries, 1954 :detailed analysis of safety factors and related employment data ; and, Unpublished statistics for 1943-53
Injury experience in the coking industry, 1955 :analysis of safety factors and related employment data
Injury experience in the quarrying industry, 1954 :analysis of safety factors and related employment data
Injury experience in the metal and nonmetal industries, 1955
Injury experience in the quarrying industry, 1955 and 1956 / by John C. Machisak, Naomi W. Kearney, and Zelda S. Glidden.