Merrifield, M. P., & Merrifield, M. P. (1846). The art of fresco painting, as practised by the old Italian and Spanish masters, with a preliminary inquiry into the nature of the colours used in fresco painting: With observations and notes. London: Charles Gilpin.

Merrifield, Mary P., and Mary P. Merrifield. The Art of Fresco Painting, As Practised By the Old Italian and Spanish Masters, With a Preliminary Inquiry Into the Nature of the Colours Used in Fresco Painting: With Observations and Notes. London: Charles Gilpin, 1846.

Merrifield, Mary P., and Mary P. Merrifield. The Art of Fresco Painting, As Practised By the Old Italian and Spanish Masters, With a Preliminary Inquiry Into the Nature of the Colours Used in Fresco Painting: With Observations and Notes. London: Charles Gilpin, 1846.