Sharon Cather (5 August 1947 – 6 June 2019) was an art historian who taught at Cambridge University and was a professor at the Courtauld Institute of Art, where she specialised in the preservation of wall paintings. (From Wikipedia)
More about Sharon Cather:Books by Sharon Cather:
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Cather, Sharon, ed.: The Conservation of Wall Paintings: Proceedings of a Symposium Organized by the Courtauld Institute of Art and The Getty Conservation Institute, London, July 13-16, 1987 (Los Angeles: Getty Conservation Institute, c1991) (PDF and page images at getty.edu and Google)
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