Wages and hours of labor in air transportation, 1931 ...  January, 1933. 

 - Washington,  U.S. Govt. print. off.,  1933. 
 - iii, 41 p.  23 cm. 
 - Bulletin of the United States Bureau of labor statistics,  no. 575.  Wages and hours of labor series .
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>l  33000004  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--United States.<br/>Wages--United States.<br/>Hours of labor--United States.<br/>Aeronautics, Commercial--Employees.
<br/><br/><label>LC Class. No.: </label>HD4966.A42  / U7 1931