This painting is one of the first works of Donald Judd’s to use a repeating form. Judd regularly used only one or two colors in his work from this period until the 1980s, when he introduced his painted aluminum pieces, of which untitled, 1984, is an early example.
Smith, Brydon, ed. Donald Judd: Catalogue Raisonné of Paintings, Objects, and Wood-Blocks 1960–1974. Exh. cat. Ottawa: National Gallery of Canada, 1975, 18, 103 (DSS cat. no. 16).
Donald Judd:Räume / Spaces. Ostfildern: Cantz, 1993, 69 (ill.).
Meyer, James. Minimalism: Art and Polemics in the Sixties. New Haven, CT: Yale University Press, 2001, 32 (fig. 21), 35, 36 (fig. 23).