Peterson, Florence.  <br/><br/>
American labor unions :   what they are and how they work / 
Florence Peterson. 
 - Rev. ed. 
 - New York :  Harper & Bros,  c 1945. 
 - xii, 270 p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>341  341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor unions --United States.
<br/><br/><label>Dewey Class. No.: </label>331.88 / P442a