Calvert, Harry, <br/><br/>
Social security law / 
by Harry Calvert 
 - 2nd ed. 
 - London :  Sweet & Maxwell,  1978 
 - 549 pages ;   22 cm. 
<br/><br/>Bibliography : p.529-538 
<br/><br/><label>ISBN: </label>0421221208 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social security--United Kingdom<br/>Labour law--United Kingdom