Columbia subject headings:
Harvard subject headings:
Dante Alighieri, 1265-1321--Knowledge--Sardinia.
Dante Alighieri, 1265-1321. Divina commedia.
Sardinia (Italy)--History--456-1297.
Princeton subject headings:
Dante Alighieri, 1265-1321--Knowledge--Sardinia.
Dante Alighieri, 1265-1321. Divina commedia.
Sardinia (Italy)--History--456-1297.