The international system  theoretical essays 
edited by Klaus Knorr and Sidney Verba 
 - Princeton, N.J.  Princeton University Press  1961 
 - 237 p. : ill. ; 21 cm. 
<br/><br/> A revision of papers'first presented at a symposium on International Relations Theory ... sponsored by the Center of International Studies and held in Princeton in September 1960.'  'Published simultaneously in World politics, volume XIV, number I.' 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>6-118402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations<br/>International organization