Columbia subject headings:
English literature--Middle English, 1100-1500--History and criticism.
Romances, English--History and criticism.
Harvard subject headings:
English literature--Middle English, 1100-1500--History and criticism
Romances, English--History and criticism.
Princeton subject headings:
English literature--Middle English, 1100-1500--History and criticism.
Romances, English--History and criticism.