TY  - BOOK
AU  - Vernadsky,George
TI  - A history of Russia
U1  - 947 
PY  - 1959///]
CY  - New Haven
PB  - Yale University Press
KW  - Soviet Union
KW  - History
KW  - Local
N1  - Bibliography: p. [418]-424; I. Ancient.-- II. Kievan Russia. -- III. The mongols and Russia
ER  -