Tuadgold, Donald W., 1922- <br/><br/>
Twentieth century Russia / 
Donald Tuadgold. 
 - 7th ed 
 - Boulder :  Westview Press,  c1990. 
 - xiv, 593 p. : ill. 
<br/><br/> Includes references, appendix, and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soviet Union--History--20th century