Columbia subject headings:
Harvard subject headings:
English literature--Old English, ca. 450-1100--Bibliography.
English literature--Old English, ca. 450-1100--History and criticism
English philology--History.
Princeton subject headings:
English literature--Old English, ca. 450-1100--Bibliography.
English literature--Old English, ca. 450-1100--History and criticism.
English philology--History.