Columbia subject headings:
Romances, English--History and criticism.
Harvard subject headings:
Civilization, Medieval, in literature.
English literature--Middle English, 1100-1500--History and criticism
Popular literature--England--History and criticism.
Romances, English--History and criticism.
Princeton subject headings:
Civilization, Medieval, in literature.
English literature--Middle English, 1100-1500--History and criticism.
Popular literature--England--History and criticism.
Romances, English--History and criticism.