Columbia subject headings:
Chaucer, Geoffrey, -1400--Periodicals.
Chaucer, Geoffrey, -1400--Societies, etc.
England--Civilization--1066-1485--Periodicals.
English literature--Middle English, 1100-1500--History and criticism--Periodicals.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Periodicals.
England--Civilization--1066-1485.--Periodicals.
English literature--Middle English, 1100-1500--History and criticism--Periodicals.
Princeton subject headings: