International regions and the international system;  a study in political ecology, 
by Bruce M. Russett.  
 - Chicago,  Rand McNally  [1967]  
 - xvi, 252 p  illus., maps (part fold.  23 cm. 
<br/><br/>Bibliography: p. 234-245.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Regionalism (International organization)
<br/><br/><label>LC Class. No.: </label>JX1979  / .R8