Digital Maps &
Digital Maps and Geospatial Data | Princeton University
Russia in Europe
Edinburgh : Published by A. and C. Black, 
Relief shown by hachures. In margin: XXVII-XXVIII. From: General atlas of the world ... / engraved on steel by Sidney Hall ... New edition. Edinburgh : Adam and Charles Black, 1854.
Russia. Russian Empire. Soviet Union. Former Soviet Republics
Princeton: Historic Map Division, Special Collections, Firestone Library