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