Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives - Automobile Objective for Gordon Strong, project - FLLW Archive Drawing Number 2505.039: Perspective (p. 137, fig. p138/139)

Drawing Citation

Drawing 039 - Perspective from below with people on ramps
Automobile Objective for Gordon Strong, project (is cited in)
Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives (published in)