Columbia subject headings:
Civilization, Medieval--12th century.
Civilization, Medieval--13th century.
Fools and jesters--Europe--History.
Harvard subject headings:
Discourse analysis.
Fools and jesters in literature
Law, Medieval.
Literature, Medieval--Themes, motives
Medicine, Medieval.
Mental illness in literature.
Mental illness--Europe--History.
Mentally ill--Europe--History.
Social history--Medieval, 500-1500
Theology--History--Middle Ages, 600-1500
Princeton subject headings:
Insanity (Law)--Europe.
Mental illness in literature.
Mental illness--Europe.