Frank Lloyd Wright, The Heroic Years 1920 - 1932 - Skyscraper Regulation, prject - FLLW Archive Drawing Number 2603.001: Elevations (p. 147)

Drawing Citation

Drawing 001 - Elevation of a group of buildings (with signs)
Skyscraper Regulation, prject (is cited in)
Frank Lloyd Wright, The Heroic Years 1920 - 1932 (published in)