Butler, Arthur D <br/><br/>
Labor economics and institutions / 
by Arthur D. Butler 
 - New York :  Macmillan,  1961 
 - 595 p. : illus. ; 25 cm. 
<br/><br/><label>LCCN: </label>61-005946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor economics<br/>Working class--United States