Lewis, H. G. <br/><br/>
Unionism and relative wages in the United States:   an empirical inquiry / 
H. G. Lewis 
 - Chicago :  Chicago University Press ,   1963 
 - xvii, 308 p. :  ill. ;  24 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Labour<br/>Wages<br/>Trade unions<br/>History
<br/><br/><label>Dewey Class. No.: </label>331.2973  / LEW