Mathisen, Trygve <br/><br/>
Methodology in the study of international relations 
by Trygve Mathisen 
 - New York  Macmillan  1959 
 - 265p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations --Study and teaching
<br/><br/><label>Dewey Class. No.: </label>D08 M426