Edward Hopper. Light and Dark. Gerry Souter
Читать онлайн книгу.to Sit to See and be Seen, New York Times, 6 June 1982
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Edward Hopper, Letter to his Mother, 29 December 1906
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Enid M. Saies to Edward Hopper, letter, Derby, England, 1907
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http://www.bidingtons.com Pedigree and Provenance,
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Gail Levin,
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Gail Levin,
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James MacNeil Whistler, Mark Harden, www.glyphs/art/com
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American Institute of Economic Research calculation, http://www.aier.org/index.html
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Gail Levin,