Columbia subject headings:
Alfred, King of England, 849-899.
Chaucer, Geoffrey, -1400--Language.
English language--Middle English, 1100-1500--Noun.
English language--Old English, ca. 450-1100--Noun.
Harvard subject headings:
Alfred, King of England, 849-899
Chaucer, Geoffrey, -1400--Language.
English language--Middle English, 1100-1500--Noun.
English language--Old English, ca. 450-1100--Noun.
Princeton subject headings: