Columbia subject headings:
Christian heresies--History--Middle Ages, 600-1500.
Church in literature.
Dante Alighieri, 1265-1321. Divina commedia.
Harvard subject headings:
Dante Alighieri, 1265-1321--Criticism and interpretation.
Dissenters, Religious, in literature.
Princeton subject headings:
Christian heresies--History--Middle Ages, 600-1500.
Church in literature.
Dante Alighieri, 1265-1321--Religion.
Dante Alighieri, 1265-1321. Divina commedia.
Poetry--Religious aspects.