Columbia subject headings:
Baudelaire, Charles, 1821-1867--Criticism and interpretation.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Sonnet.
Harvard subject headings:
Baudelaire, Charles, 1821-1867--Criticism and interpretation.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Shakespeare, William, 1564-1616--Poetic works.
Sonnet.
Princeton subject headings:
Baudelaire, Charles, 1821-1867--Criticism and interpretation.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Sonnet.