Columbia subject headings:
Harvard subject headings:
Florence (Italy)--History--Siege, 1529-1530.
Florence (Italy)--In literature.
Italian literature--16th century--History and criticism
Italian literature--Italy--Florence--History and criticism.
Princeton subject headings:
Florence (Italy)--History--Siege, 1529-1530.
Florence (Italy)--In literature.
Italian literature--16th century--History and criticism.
Italian literature--Italy--Florence--History and criticism.