Injuries and accident causes in the longshore industry, 1942
Bulletin ;
Bulletin of the United States Bureau of Labor Statistics ;
McElroy, Frank S. (Frank Shafer), author.
McCormack, George R. (George Robertson), author.
United States. Bureau of Labor Statistics, issuing body.
United States. Bureau of Labor Statistics. Industrial Hazards Division.
by Frank S. McElroy and George R. McCormack of the Industrial Hazards Division.