Columbia subject headings:
Petrarca, Francesco, 1304-1374--Bibliography.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Harvard subject headings:
Petrarca, Francesco, 1304-1374--Bibliography.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Princeton subject headings:
Petrarca, Francesco, 1304-1374--Bibliography.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.