Columbia subject headings:
Chaucer, Geoffrey, -1400--Language.
Chaucer, Geoffrey, -1400--Versification.
English language--Middle English, 1100-1500--Pronunciation.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Language.
Chaucer, Geoffrey, -1400--Versification.
English language--Middle English, 1100-1500--Pronunciation
Princeton subject headings:
Chaucer, Geoffrey, -1400--Language.
Chaucer, Geoffrey, -1400--Versification.
English language--Middle English, 1100-1500--Pronunciation.