Columbia subject headings:
Petrarca, Francesco, 1304-1374. Rime.
Time in literature.
Harvard subject headings:
Petrarca, Francesco, 1304-1374. Rime
Time in literature.
Princeton subject headings:
Italy--Civilization--14th century.
Italy--Intellectual life--14th century.
Petrarca, Francesco, 1304-1374. Rime--Criticism and interpretation.