Legg, Stuart. <br/><br/>
The heartland. 

 - [1st American ed.] 
 - New York,   Farrar, Straus & Giroux   [1971, c1970] 
 - 350 p. :   maps. ;   22 cm. 
<br/><br/>Includes bibliographical references: p. ( [333]-337 ) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Asia, Central-- History.
<br/><br/><label>Dewey Class. No.: </label>958