Historical encyclopedia of American labor / 
edited by Robert Weir and James P. Hanlan 
 - Westport :  Greenwood Press,  2004       
 - 2 v. 
<br/><br/>v.1: A - O. -- v.2: P - Z 
<br/><br/><label>ISBN: </label>0313318409 (Set) 
<br/><br/><label>LC Class. No.: </label>R HD 8066 H673 2004