Litke, Fedor Petrovich /Luetke, Friedrich von (1797-1882). Chetyriekratnoye Puteshestviye v Severnyi Ledovityi Okean, Sovershennoye po Poveleniyu Imperatora Aleksandra I, na Voyennom Brige Novaya Zemlya v 1821, 1822, 1823 i 1824 godakh flota Kapitan-Leytenantom Fyodorom Litke. S Prisovokupleniyem Puteshestviy Leytenanta Demidova v Beloye Moye i Shturmana Ivanova na Reku Pechoru. Izdano po Vyshochayshemu Poveleniyu [Four Voyages to the Northern Icy Ocean, Executed on the Order of His Majesty Alexander I on the Naval Sloop Novaya Zemlya in 1821, 1822, 1823 and 1824 by Fleet Captain-Lieutenant Fyodor Luetke. With Addition of Voyages of Leiut. Demidov to the White Sea and Navigator Ivanov to the Pechora River. Published on the Highest Order]. Saint Petersburg: Morskaya [Naval] Typ., 1828.