Ocherki istorii SSSR
Subtitle: Period feodalizma, 9-15 vv.
Contributors: Grekov, Boris Dmitrievich, 1882-1953,; Akademiia nauk SSSR. Institut istorii
Publisher: Izd-vo Akademii nauk SSSR
Published: 1953
Place of publication: Moskva
Language: rus
Subjects: Russia -- History -- To 1533
Other titles: Period feodalizma, 9-15 vv