Columbia subject headings:
Harvard subject headings:
Alexandra, Empress, consort of Nicholas I, Emperor of Russia, 1798-1860.
Nicholas I, Emperor of Russia, 1796-1855.
Queens--Russia--Biography.
Princeton subject headings:
Alexandra, Empress, consort of Nicholas I, Emperor of Russia, 1798-1860.
Nicholas I, Emperor of Russia, 1796-1855.
Queens--Russia--Biography.