In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 - House for Isabel Roberts - FLLW Archive Drawing Number 0808.??2: Floor Plan (fig. 155)

Drawing Citation

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