Phelps, Orme Wheelock. <br/><br/>
Introduction to labor economics / 
Orme Wheelock Phelps. 
 - 3d ed. 
 - New York :  McGraw-Hill ,  c1961. 
 - xiv, 566 p. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor economics.<br/>Labor economics--United States.
<br/><br/><label>Dewey Class. No.: </label>331  / PHI 1961