Dibdin, Thomas Frognall.
Typographical Antiquities. Revised Joseph Ames and William
Herbert.
4 vols. London: Bulmer, 1810, 1812, 1816, 1818: 1.74-5.
Blades, William.
The Biography and Typography of William Caxton, England’s first
printer.
London: Trübner, 1877; repr. Totowa, NJ: Rowman and Littlefield,
1971: 2.148-9.
Crotch, Walter John Blythe,
ed.
William Caxton: Prologues and Epilogues.
EETS
o.s. 176 (1928; repr. 1973): 236-7.