1. M.O. Jones, The Handmade Object and its Maker (Berkeley: University of California Press, 1975): ‘An object cannot be fully understood or appreciated without knowledge of the man who made it’.
2. A.H. Degenhardt, ‘Artificial Eyes,’ Vision, 4:3 (1950), pp. 12–16, (especially page 12 where it is stated ‘their purpose…is primarily that of increasing the happiness of a person who would otherwise be subject to a chronic self-consciousness of his misfortune’)
3. V.A. Chalian et al, Maxillo-facial Prosthetics (Baltimore: Williams and Wilkins, 1971)
4. D.J. Reisberg and S.W. Habakuk, ‘A History of Facial and Ocular Prosthetics,’ Adv Ophthalmic Plast Reconstr Surg, 8 (1990), 11–23 (especially page 11).
5. K.F. Thomas, Prosthetic Rehabilitation (London: Quintessence Books, 1993).