Bray, William G. <br/><br/>
Russian frontiers :  from Moscovy to Khrushchev / 
William G. Bray. 
 - Indianapolis :  Bobbs-Merrill,  1963. 
 - 273 s. ;  22 cm. 
<br/><br/> History 
<br/><br/><label>Subjects--Index Terms: </label>Soviet Union -- Foreign relations -- History