TY  - BOOK
AU  - Vernadsky,George
AU  - Karpovich,Michael
TI  - A history of Russia
PY  - 1943///-
CY  - New Haven
PB  - Yale University Press
N1  - V. 1. Ancient Russia;  V. 2. Kievan Russia;  V. 3. The Mongols and Russia
ER  -