The theory of international relations  selected texts from gentili to treitschke / 
Introduced and edited by M. G. Forsyth, H. M. A. Keens-Soper, P. Savigear. 
 - Allen & Unwin :  London ,  1970. 
 - 3-353 p. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0041720083 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations