Billinge, Rachel, et al., “Methods and Material of Northern European Painting in the National Gallery, 1400–1550,” National Gallery Technical Bulletin 18 (1997): 6–55.
Bomford, David, Jill Dunkerton, Dillian Gordon, Ashok Roy, and Jo Kirby, Art in the Making: Italian Painting before 1400 (London: National Gallery 1992).
Clifford, Elise Effmann, “John Roddam Spencer Stanhope and the Lessons Learned from the Masters,” in Truth and Beauty: The Pre-Raphaelites and the Old Masters, exh. cat. (San Francisco: The Fine Arts Museums of San Francisco, 2018), 251–259.
Stanhope, John Roddam Spencer, “Yolk of Egg Tempera,” Papers of the Society of Painters in Tempera: vol. 1, 1901–1907, 2nd ed. Edited by Mary Sargant-Florence (Brighton, UK: Dolphin Press 1928), 28. Originally written for the Society of Painters in Tempera, April 23, 1903.
Stirling, A. M. W., “The Life of Roddam Spencer Stanhope, Pre-Raphaelite, a Painter of Dreams,” in A Painter of Dreams and Other Biographical Studies (London: John Lane, 1916).
Talley, M. Kirby, Jr., “All Good Pictures Crack: Sir Joshua Reynolds’s Practice and Studio,” in Reynolds, exh. cat. (London: Royal Academy of Arts, 1986), 55–70.
Joyce Townsend, Jacqueline Ridge, and Stephen Hackney, Pre-Raphaelite Painting Techniques (London: Tate, 2004).