Levenstein, Aaron,  1910- <br/><br/>
Labor, today and tomorrow / 
by Aaron Levenstein 
 - New York :  Alfred A. Knope,  1946 
 - 253, xiv p. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial relations--United States<br/>Labor and laboring classes--United States