Frank Lloyd Wright: designs for an American landscape - Automobile Objective for Gordon Strong, project - FLLW Archive Drawing Number 2505.020: Floor Plan (p. 88, fig. 96)

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: designs for an American landscape (published in)