Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives - House, "Sahuaro, " project for Ralph Cudney - FLLW Archive Drawing Number 2706.008: Perspective (p. 38)

Drawing Citation

Drawing 008 - Perspective, looks like final presntation perspeective
House, "Sahuaro, " project for Ralph Cudney (is cited in)
Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives (published in)