Columbia subject headings:
Harvard subject headings:
Dante Alighieri, 1265-1321--Homes and haunts--Italy--Marche.
Dante Alighieri, 1265-1321. Divina commedia.
Marche (Italy)--In literature.
Princeton subject headings:
Dante Alighieri, 1265-1321. Divina commedia.
Marche (Italy)--In literature.