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R.M.Lenox: 1948, Joan Mitchell, Untitled -- Baltimore Museum of Art
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R.M.Lenox: 1950
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R.M.Lenox: 1950, Joan Mitchell, Figure and the City -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1951, Joan Mitchell, Lyric -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1954, Joan Mitchell, Untitled -- Baltimore Museum of Art
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R.M.Lenox: 1955, Joan Mitchell, City Landscape (detail) -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1955, Joan Mitchell, City Landscape -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1955, Joan Mitchell, Hudson River Day Line -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1956, Joan Mitchell, East Ninth Street -- Los Angeles County Museum of Art
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R.M.Lenox: 1956, Joan Mitchell, Hemlock -- Whitney Museum of American Art (New York)
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R.M.Lenox: 1956, Joan Mitchell, Marie Stadler Artichaud -- San Francisco Museum of Modern Art
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R.M.Lenox: 1956, Joan Mitchell, Swamp -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1957, Joan Mitchell, August, Rue Daguerre -- Phillips Collection (Washington)
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R.M.Lenox: 1957, Joan Mitchell, Ladybug -- Museum of Modern Art (New York)
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R.M.Lenox: 1957, Joan Mitchell, To the Harbormaster -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1958, Joan Mitchell, Piano mécanique -- National Gallery of Art (Washington)
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R.M.Lenox: 1959, Joan Mitchell, Cercando un Ago (Looking for a Needle) -- Hirshhorn Museum (Washington)
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R.M.Lenox: 1960, Joan Mitchell, Marlin -- Smithsonian American Art Museum (Washington)
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R.M.Lenox: 1960, Joan Mitchell, Mud Time -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1960, Joan Mitchell, Water Gate -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1961 (ca.), Joan Mitchell, Untitled -- Baltimore Museum of Art
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R.M.Lenox: 1962, Joan Mitchell, Composition -- Peggy Guggenheim Collection (Venice)
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R.M.Lenox: 1962, Joan Mitchell, Grandes Carrieres -- Museum of Modern Art (New York)
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R.M.Lenox: 1962, Joan Mitchell, Lucky Seven -- MAC/CCB Museum Of Contemporary Art (Lisbon)
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R.M.Lenox: 1964, Joan Mitchell, Blue Tree -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1965, Joan Mitchell, Untitled -- Kreeger Museum (Washington)
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R.M.Lenox: 1967, Joan Mitchell, My Landscape II -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1969, Joan Mitchell, Sans neige (detail) -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1969, Joan Mitchell, Sans neige -- Baltimore Museum of Art (special exhibition)
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R.M.Lenox: 1969, Joan Mitchell, Sans Pierre (detail) -- Baltimore Museum of Art (special exhibition)