Costello, K . <br/><br/>
Elements of Political Knoeledge /  Textual Documents 
Kethrine Costello. 
 - 1st ed / 
 - Moscow :  Progress Publishers ,  1970. 
 - 287p. ;  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Political Science T/G-Political Science 
<br/><br/><label>Dewey Class. No.: </label>320  / Ko 82 El