Treasures of Taliesin: Seventy Six Unbuilt Designs - Studio, "Windswept" for Franklin Watkins, project - FLLW Archive Drawing Number 4021.006: Aerial Perspective (fig. 26)

Drawing Citation

Drawing 006 - Aerial perspective from entrance side at the low end of studio
Studio, "Windswept" for Franklin Watkins, project (is cited in)
Treasures of Taliesin: Seventy Six Unbuilt Designs (published in)