Frank Lloyd Wright; Volume 10: Preliminary Studies 1917-1932 - Automobile Objective for Gordon Strong, project - FLLW Archive Drawing Number 2505.020: Floor Plan (p. 98, fig. 128)

Drawing Citation

Drawing 020 - Floor plan of lower level with ramps, terrace, dance hall, & audi
Automobile Objective for Gordon Strong, project (is cited in)
Frank Lloyd Wright; Volume 10: Preliminary Studies 1917-1932 (published in)