Gaskell I. Clark Conference. In: Williamstown, MA: Clark Art Institute; 1999.

Gaskell I, Lippencott K, Eco U, Gombrich EH. The Image of Vanitas: Efflorescence and Evanescence. In: The Story of Time. London: Merrell Holberton; 1999. p. 186-189. Website

Gaskell I. Performance and Authenticity in the Arts (Cambridge Studies in Philosophy and the Arts 9). (Gaskell I, Kemal S). Cambridge and New York: Cambridge University Press; 1999. Website

Gaskell I. Sketches in Clay for Projects by Gian Lorenzo Bernini: Theoretical, Technical, and Case Studies. (Gaskell I, Lie H). Cambridge, MA: Harvard University Art Museums; 1999. Website