Columbia subject headings:
Dante Alighieri, 1265-1321--Religion--Congresses.
Dante Alighieri, 1265-1321. Divina commedia--Congresses.
Prayer in literature--Congresses.
Religion in literature--Congresses.
Harvard subject headings:
Catholic Church--Liturgy--Congresses.
Dante Alighieri, 1265-1321--Religion--Congresses.
Dante Alighieri, 1265-1321. Divina commedia--Congresses.
Liturgy and literature--Congresses.
Prayer in literature--Congresses.
Princeton subject headings:
Dante Alighieri, 1265-1321--Religion--Congresses.
Dante Alighieri, 1265-1321. Divina commedia--Congresses.
Prayer in literature--Congresses.
Religion in literature--Congresses.