Wages and hours of labor in air transportation, 1931 ... January, 1933. - United States. Bureau of Labor Statistics (Washington, U.S. Govt. print. off., 1933)
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.
Keywords: Aeronautics -- United States; Wages -- United States; Hours of labor -- United States; Aeronautics, Commercial -- Employees