Cockburn, Claud,  1904-1981. <br/><br/>
Union power :  the growth and challenge in perspective / 
Claud Cockburn. 
 - London :  Kimber,  1976. 
 - 206p. 
<br/><br/><label>ISBN: </label>0718301137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade-unions--Political activity.--Great Britain