Jacob Simon, 'British Picture Restorers, 1600-1950', London : National Portrait Gallery, http://www.npg.org.uk/research/programmes/directory-of-british-restorers/british-picture-restorers-1600-1950-m, accessed 19 July 2019
- Houses
- Castle Howard
Jacob Simon, 'British Picture Restorers, 1600-1950', London : National Portrait Gallery, http://www.npg.org.uk/research/programmes/directory-of-british-restorers/british-picture-restorers-1600-1950-m, accessed 19 July 2019
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