Columbia subject headings:
Harvard subject headings:
Chaucer, Geoffrey, -1400--Criticism, Textual.
English poetry--Early modern, 1500-1700--History and criticism
English poetry--Middle English, 1100-1500--History and criticism
Princeton subject headings:
Chaucer, Geoffrey, -1400--Criticism, Textual.
English poetry--Early modern, 1500-1700--History and criticism.
English poetry--Middle English, 1100-1500--History and criticism.