Columbia subject headings:
Petrarca, Francesco, 1304-1374--Criticism, Textual.
Petrarca, Francesco, 1304-1374--Manuscripts.
Harvard subject headings:
Codice degli abbozzi--History.
Petrarca, Francesco, 1304-1374--Manuscripts.
Princeton subject headings:
Petrarca, Francesco, 1304-1374--Criticism, Textual.
Petrarca, Francesco, 1304-1374--Manuscripts.