Columbia subject headings:
Petrarca, Francesco, 1304-1374--Criticism, Textual.
Petrarca, Francesco, 1304-1374. Rime (Nel dolce tempo de la prima etade)
Harvard subject headings:
Petrarca, Francesco, 1304-1374--Criticism, Textual.
Petrarca, Francesco, 1304-1374. Rime
Princeton subject headings:
Petrarca, Francesco, 1304-1374--Criticism, Textual.
Petrarca, Francesco, 1304-1374. Rime (Nel dolce tempo de la prima etade)