Columbia subject headings:
Dante Alighieri, 1265-1321--Language.
Italian language--Tense.
Italian language--Verb.
Harvard subject headings:
Dante Alighieri, 1265-1321--Language.
Italian language--Tense.
Italian language--Verb.
Princeton subject headings:
Dante Alighieri, 1265-1321--Language.
Italian language--Tense.
Italian language--Verb.