Columbia subject headings:
Harvard subject headings:
Ivan IV, Czar of Russia, 1530-1584.
Russia--History, Military--To 1801.
Russia--History--Ivan IV, 1533-1584.
Princeton subject headings:
Ivan IV, Czar of Russia, 1530-1584--Military leadership.
Russia--History, Military--16th century.
Russia--History--Ivan IV, 1533-1584.
Russia--Kings and rulers--Biography.