Columbia subject headings:
Dante Alighieri, 1265-1321. Divina commedia--History and criticism.
Dante Alighieri, 1265-1321. Epistola Domino Kani Grandi de Scala--History and criticism.
Scala, Cangrande della, 1291-1329.
Harvard subject headings:
Dante Alighieri, 1265-1321. Divina commedia.
Dante Alighieri, 1265-1321. Epistola Domino Kani Grandi de Scala
Scala, Cangrande della, 1291-1329.
Princeton subject headings:
Dante Alighieri, 1265-1321. Divina commedia.
Dante Alighieri, 1265-1321. Epistola Domino Kani Grandi de Scala.