The National Library of Russia in St. Petersburg contains little-known engravings by a Russian artist Luсa Voronin. His engravings are also kept in Washington’s Library of Congress. They are interesting because they were created during the eight-year Northeast expedition of Lieutenants I.I. Billings and G.A. Sarychev (1785 -1793) the objective of which was to study the northern territories of Siberia, the waters of the Arctic Ocean and the northern part of the modern Pacific Ocean. Based on the results of…