A London bibliography of the social sciences / 
British Library of Political and Economic Science 
 - London :  Mansell,  1929 
 - v. ;  28 cm. 
<br/><br/><label>ISBN: </label>0720115949 
<br/><br/><label>LCCN: </label>31-9970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Bibliography--Union lists