Wright in Hollywood: Visions of a New Architecture - House, "Sahuaro, " project for Ralph Cudney - FLLW Archive Drawing Number 2706.008: Perspective (p. 165, fig. 174)

Drawing Citation

Drawing 008 - Perspective, looks like final presntation perspeective
House, "Sahuaro, " project for Ralph Cudney (is cited in)
Wright in Hollywood: Visions of a New Architecture (published in)