Working under different rules / 
edited by Richard B. Freeman. 
 - New York :  Russell sage foundation,  1993. 
<br/><br/><label>ISBN: </label>0871542773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour -- United States -- Congresses--Labour -- United States -- Congresses--Labour -- United States -- Congresses<br/>Labour -- Congresses--Labour -- Congresses
<br/><br/><label>LC Class. No.: </label>HD8057  / Wor 1993