National Gallery of Art. (1970). American paintings and sculpture: An illustrated catalogue. National Gallery of Art.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. Washington: National Gallery of Art, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. National Gallery of Art, 1970.
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