A map of Asian Russia with a testimony of military lands.In the left corner of the map, the record of P. Keppen: "This sheet bel...

A map of Asian Russia with a testimony of military lands.In the left corner of the map, the record of P. Keppen: "This sheet belongs to the map of military lands drawn up by my order for I. Academy of Sciences in 1847 by P. Keppen." - -.-XIX century.;Kart.Additional.272;36 x 52;Additional Agreement No. 1 of May 21, 2021 to the contract.No. 90-19 dated August 27, 2019 (Ban)..Electronic copy source: ban