Columbia subject headings:
English language--Middle English, 1100-1500--Bibliography.
English language--Old English, ca. 450-1100--Bibliography.
Harvard subject headings:
English language--Middle English, 1100-1500--Bibliography.
English language--Old English, ca. 450-1100--Bibliography.
Princeton subject headings:
English language--Middle English, 1100-1500--Bibliography.
English language--Old English, ca. 450-1100--Bibliography.