Columbia subject headings:
Ivan IV, Czar of Russia, 1530-1584--Seal.
Ivan IV, Czar of Russia, 1530-1584--Will.
Harvard subject headings:
Ivan IV, Czar of Russia, 1530-1584--Seal.
Ivan IV, Czar of Russia, 1530-1584--Will.
Princeton subject headings:
Ivan IV, Czar of Russia, 1530-1584--Seal.
Ivan IV, Czar of Russia, 1530-1584--Will.