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R.M.Lenox: 1912, Wassily Kandinsky, Autumn II -- Phillips Collection (Washington)
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R.M.Lenox: 1914, Stanton Macdonald-Wright, Conception Synchromy -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1917, Man Ray, Revolving Doors: Long Distance -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1922, Wassily Kandinsky, Small Worlds #1 -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1924, Arthur Segal, Street in Helgoland II -- Metropolitan Museum of Art (New York)
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R.M.Lenox: 1925
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R.M.Lenox: 1931, Joaquin Torres-Garcia, Composition -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1935 (ca.), Jackson Pollock, Going West -- Smithsonian American Art Museum (Washington)
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R.M.Lenox: 1936, Arshile Gorky, Organization -- National Gallery of Art (Washington)
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R.M.Lenox: 1937, Arshile Gorky, Untitled -- Kreeger Museum (Washington)
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R.M.Lenox: 1938, Arshile Gorky, Image in Xhorkom -- Kreeger Museum (Washington)
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R.M.Lenox: 1940, Clyfford Still, 1950-A No. 2 -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1941 (ca.), Jackson Pollock, Birth -- Tate Modern (London)
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R.M.Lenox: 1941, Hans Hofmann, Still Life - Fruit Bowl -- Delaware Art Museum (Wilmington)
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R.M.Lenox: 1942, Adolph Gottlieb, Pictograph -- National Gallery of Art (Washington)
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R.M.Lenox: 1942, Jackson Pollock, Stenographic Figure -- Museum of Modern Art (New York)
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R.M.Lenox: 1943, Arshile Gorky, Untitled -- Guggenheim Museum (New York)
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R.M.Lenox: 1943, Jackson Pollock, Mural -- National Gallery of Art (Washington)
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R.M.Lenox: 1943, Jackson Pollock, Pasiphae -- Metropolitan Museum of Art (New York)
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R.M.Lenox: 1943, Jackson Pollock, Water Birds -- Baltimore Museum of Art
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R.M.Lenox: 1944 (ca.), Willem de Kooning, The Wave -- Smithsonian American Art Museum (Washington)
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R.M.Lenox: 1944, Arshile Gorky, One Year the Milkweed -- National Gallery of Art (Washington)
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R.M.Lenox: 1944, Arshile Gorky, Untitled -- Peggy Guggenheim Collection (Venice)
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R.M.Lenox: 1944, Clyfford Still, 1944-N No. 2 -- Museum of Modern Art (New York)
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R.M.Lenox: 1944, Jackson Pollock, Totem Lesson 1 -- Stanford University Museums (Palo Alto)
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R.M.Lenox: 1944, Mark Rothko, Slow Swirl at the Edge of the Sea -- Museum of Modern Art (New York)
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R.M.Lenox: 1945, Adolph Gottlieb, The Token -- Stanford University Museums (Palo Alto)
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R.M.Lenox: 1945, Arshile Gorky, Diary of a Seducer -- Museum of Modern Art (New York)
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R.M.Lenox: 1945, Jackson Pollock, Water Figure -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1945, Mark Rothko, Sacrificial Moment -- National Gallery of Art (Washington)