Wright in Hollywood: Visions of a New Architecture - House for Richard Lloyd Jones, scheme 1, project - FLLW Archive Drawing Number 2901.002: Aerial Perspective (p. 186, fig. 187)

Drawing Citation

Drawing 002 - Aerial perspective (triangular scheme, #1)
House for Richard Lloyd Jones, scheme 1, project (is cited in)
Wright in Hollywood: Visions of a New Architecture (published in)