In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 - House for Harold McCormick, project - FLLW Archive Drawing Number 0713.002: Floor Plan (fig. 139)

Drawing Citation

Drawing 002 - Floor plan and elevation from lake, early study by Wright
House for Harold McCormick, project (is cited in)
In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 (published in)