Columbia subject headings:
Ivan III, Grand Duke of Russia, 1440-1505.
Russia--History--Ivan III, 1462-1505.
Harvard subject headings:
Ivan III, Grand Duke of Russia, 1440-1505
Russia--History--Ivan III, 1462-1505.
Princeton subject headings:
Ivan III, Grand Duke of Russia, 1440-1505.
Russia--History--Ivan III, 1462-1505.