Columbia subject headings:
Gautier, d'Arras, active 12th century. Eracle.
Heraclius, Emperor of the East, approximately 575-641--Poetry.
Otte, active 13th century. Eraclius.
Harvard subject headings:
Civilization, Medieval, in literature.
Gautier, d'Arras, 12th century. Eracle.
Gautier, d'Arras, active 12th century. Eracle.
Heraclius, Emperor of the East, approximately 575-641--In literature.
Heraclius, Emperor of the East, approximately 575-641--Poetry.
Otte, 13th century. Eraclius.
Otte, active 13th century. Eraclius.
Princeton subject headings:
Gautier, d'Arras, active 12th century. Eracle.
Otte, 13th cent. Eraclius.