Dukes, Paul..
A history of Russia : medieval, modern, contemporary. - 2-nd edition /

. - Durham  : Duke University Press,  1990 
. - xii, 425 p. : maps  22 cm. 
<br/>К.: Бібліогр. : с. 396-415. 
<br/><label>  ISBN: </label>0-8223-1096-1