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R.M.Lenox: 1951, Ralph Soule Ducasse, Salome -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1957, Richard Diebenkorn, Untitled (tension pole) -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1959, San Francis, Untitled #27 -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1964, Jean Dubuffet, Samedi Tantot (Saturday Afternoon) -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1973, Ralph Soule Ducasse, Unknown (abstract geometric composition in orange and white on unprimed canvas) -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1986, Edna Andrade, Temple Plan -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1990 (ca.), William T. Wiley, Untitled (Cape) -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1995, Howard Hodgkin, A Bunch of Flowers -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 1995, John Walker, The Studio No. 2 -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2001, Jules Olitski, Pleasures: Three -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2002, Fritz Scholder, Wild Orchids -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2006, Kit White, City -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2009, Sean Scully, Yellow Yellow Yellow Triptych -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2012, Larry Poons, Contabile -- George Washington U. Art Gallery (Washington)
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R.M.Lenox: 2015, Liliane Tomasko, The Slow Reveal -- George Washington U. Art Gallery (Washington)