Diplomatic investigations :  essays in the theory of international politics / 
edited by Herbert Butterfield and Martin Wight. 
 - London :  Allen & Unwin,  1966. 
 - 227 p.;  22 cm. 
<br/><br/> Contributors: Hedley Bull, Herbert Butterfield, Michael Howard, G.F. Hudson, Donald MacKinnon, Martin Wight. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations.
<br/><br/><label>Dewey Class. No.: </label>327.01  / DIP 1966