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