Frank Lloyd Wright, The Heroic Years 1920 - 1932 - Camp and Studio, "Ocatillo" for Frank Lloyd Wright - FLLW Archive Drawing Number 2702.005: Perspective (p. 175)

Drawing Citation

Drawing 005 - Perspective with sugaro in foreground
Camp and Studio, "Ocatillo" for Frank Lloyd Wright (is cited in)
Frank Lloyd Wright, The Heroic Years 1920 - 1932 (published in)