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Keppen, Petr Ivanovich
(1793-1864).
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On the number of inhabitants in Russia in 1838 / [P. Keppen]. - St.Petersburg: type. Acad. Sciences, [1840]. - 18 sec. : tab. ; 20 cm. - Author. indicated at the end of the text
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ББК 60.721.2 ББК 63.3 (2) 521.2-1ю13
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Copy source: RSL Location on map of originals: RSL
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