Columbia subject headings:
Harvard subject headings:
English language--Middle English, 1100-1500--Versification
English language--Old English, ca. 450-1100--Versification
English poetry--Middle English, 1100-1500--Criticism, Textual.
English poetry--Old English, ca. 450-1100--Criticism, Textual.
Princeton subject headings:
English language--Middle English, 1100-1500--Versification.
English language--Old English, ca. 450-1100--Versification.
English poetry--Middle English, 1100-1500--Criticism, Textual.
English poetry--Old English, ca. 450-1100--Criticism, Textual.