Bancroft, Gertrude. <br/><br/>
The American labor force  its growth and changing composition 
by Gertrude Bancroft for the Social Research Council in cooperation with the U.S. Dept. of Commerce, Bureau of the Census. 
 - New York  Wiley  [1958] 
 - 256 p.  illus.  24 cm. 
 - The Census monograph series .
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>58010795 /L/r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor supply
<br/><br/><label>LC Class. No.: </label>HD5724  / .B33 
<br/><br/><label>Dewey Class. No.: </label>331.112