In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 - House for Warren Hickox - FLLW Archive Drawing Number 0004.??2: Floor Plan (fig. 54)

Drawing Citation

Drawing ??2 - First and second floor plans probably for Hitchcock
House for Warren Hickox (is cited in)
In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 (published in)