Harley, R. D. Artists' Pigments c. 1600-1835: A Study in English Documentary Sources. Technical Studies in the Arts, Archaeology, and Architecture. 2d ed. London: Butterworth Scientific, 1982.

Harley, R. D. Artists' Pigments c. 1600-1835: A Study in English Documentary Sources. Technical Studies in the Arts, Archaeology, and Architecture. 2d ed. London: Butterworth Scientific, 1982.