Columbia subject headings:
Harvard subject headings:
Cambridge University Library. Manuscript. Gg.4.27--Facsimiles.
Chaucer, Geoffrey, -1400--Manuscripts--Facsimiles
Manuscripts, English (Middle)--Facsimiles.
Manuscripts, English--Facsimiles.
Princeton subject headings:
Chaucer, Geoffrey, -1400--Manuscripts--Facsimiles.
Facsimiles.
Manuscripts, English--Facsimiles.