Columbia subject headings:
English poetry--Old English, ca. 450-1100.
Harvard subject headings:
English poetry--Old English, ca. 450-1100
English poetry--Old English, ca. 450-1100--Modernized versions
English poetry--Old English, ca. 450-1100.
Princeton subject headings:
English poetry--Old English, ca. 450-1100--Modernized versions.
English poetry--Old English, ca. 450-1100.