Columbia subject headings:
Chaucer, Geoffrey, -1400.
English literature--Middle English, 1100-1500--History and criticism.
Robbins, Rossell Hope, 1912-1990.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation.
Civilization, Medieval, in literature.
English literature--Middle English, 1100-1500--History and criticism
Robbins, Rossell Hope, 1912-
Robbins, Rossell Hope, 1912-1990
Princeton subject headings: