Personnel research agencies
Washington: GPO, 1930. xiv, 197p., wraps a bit worn, ex-lib. Bulletin of the U.S. Bureau of Labor Statistics, no. 518. Miscellaneous series.
Cat.No: 129098
Price: $15.00
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1930S,
Economics,
Insurance,
Medical, medicine, doctors,
Statistics, statistical theory
See all items by United States Department of Labor. Bureau of Labor Statistics