Concerning the annexation of Tver to Moscow and the participation of the Tver boyars in this event: Issled. N.N. Ovsyannikova, member. Tver. scientist. archive. commis .... - Tver: type. Lips. edit, 1892. - [2], 26 p. ; 25 cm. - Bibliography. in the note
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1. Power (collection).
Source of electronic copy: PB Location of original: РГПУ им. A.I. Herzen