O’Brien, Carl Bickford 1909-.
Russia under two tsars, 1682-1689: the regency of Sophia Alekseevna /
C. Bickford O’Brien 
. - Berkeley : Los Angeles : University of California Press,  1952 
. - xii, 178 p.  port., map., schem.  24 cm. 
 - (University of California Publications in history  ; v. 42 )
<br/>К.: Бібліогр. : c. 153-171, Index