Columbia subject headings:
Chaucer, Geoffrey, -1400--Bibliography.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Bibliography.
Chaucer, Geoffrey, -1400--Criticism, Textual.
Printing--Specimens
Princeton subject headings:
Chaucer, Geoffrey, -1400--Bibliography.
Chaucer, Geoffrey, -1400--Criticism, Textual.
Printing--Specimens.