History of labours in the United States / 
by John J. Commons . . . [et al. ] 
 - New York :  Mamillan,  1958- 
 - 4 v. ;  21 cm. 
<br/><br/><label>ISBN: </label> USD 27.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor--United States<br/>Labor unions--United States
<br/><br/><label>Dewey Class. No.: </label>331.0973