Columbia subject headings:
English poetry--Old English, ca. 450-1100--History and criticism.
English prose literature--Middle English, 1100-1500--History and criticism.
Epic literature, English--History and criticism.
Harvard subject headings:
English poetry--Middle English, 1100-1500--History and criticism
English poetry--Old English, ca. 450-1100--History and criticism
Epic poetry, English (Old)--History and criticism
Princeton subject headings:
English poetry--Old English, ca. 450-1100--History and criticism.
English prose literature--Middle English, 1100-1500--History and criticism.
Epic literature, English--History and criticism.