| Lewis Baltz East Wall, McGaw Laboratories, 1821 Langley, Costa Mesa 1974 (before) Gelatin silver print 15.2 x 22.9 cm (image) 20.2 x 25.4 cm (sheet) National Gallery of Canada / Musée des beaux-arts du Canada Gift of Mr. and Mrs. Morton H. Rapp, Toronto, 1982, No. 19588, © Lewis Baltz LL/63705
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