TY  - BOOK
AU  - Grey,Ian
TI  - Ivan III and the unification of Russia
PY  - 1973///
CY  - Harmondsworth
PB  - Penguin
KW  - Ivan III, Czar of Russia,
KW  - Soviet Union
KW  - History
KW  - Period of consolidation, 1462-1605
N1  - Includes bibliographies; Originally published; London : English Universities Press
ER  -