Columbia subject headings:
Petrarca, Francesco, 1304-1374--Criticism and interpretation--Congresses.
Harvard subject headings:
Italian poetry--15th century--History and criticism--Congresses.
Italian poetry--16th century--History and criticism--Congresses.
Italian poetry--17th century--History and criticism--Congresses.
Petrarca, Francesco, 1304-1374--Criticism and interpretation--Congresses.
Princeton subject headings:
Italian poetry--16th century--History and criticism--Congresses.
Italian poetry--17th century--History and criticism--Congresses.
Petrarca, Francesco, 1304-1374--Influence--Congresses.