Wages and Hours of Labor in Air Transportation, 1931 : Bulletin of the United States Bureau of Labor Statistics, No. 575
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At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Charles E. Baldwin, acting commissioner.
Issued also as House doc. 393, 72d Cong., 1st sess.
"Appendix: Air transportation occupational terms, definitions, and classification ... ": p. 34-41.
U.S. Govt. Print. Off.
- lcc: HD8051 .A62 no.575
- ddc: 331.06 U57b, no.575
- sudocs: L 2.3:575
- oclc: 20156043