Evropeĭskai︠a︡ chastʹ SSSR : politiko-administrativnai︠a︡ karta / tekhnicheskiĭ redaktor--Merisov G.S.Merisov, G. SSoviet Union. Glavnoe upravlenie geodezii i kartografii[1940?]"E-12.""Е-12."Copy 1: "495815". Copy 2: "498435".Date of publication deduced from boundaries shown on map.cartographic