Saposs, David Joseph,  1886- <br/><br/>
Left wing unionism :  study radical policies and tactics / 
by David J. Saposs 
 - New York :  International Publishers,  1926 
 - 192 p. ;  19 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor movement<br/>Labor unions<br/>Labor union and communism<br/>Socialism--United States
<br/><br/><label>Dewey Class. No.: </label>331.880973