Columbia subject headings:
Civilization, Medieval.
Folly.
Fools and jesters in literature.
Fools and jesters.
Literature, Medieval--History and criticism.
Renaissance.
Harvard subject headings:
Civilization, Medieval
Folly.
Fools and jesters
Literature, Medieval--History and criticism
Renaissance
Princeton subject headings:
Civilization, Medieval.
Folly.
Fools and jesters.
Literature, Medieval--History and criticism.
Renaissance.