In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 - Imperial Hotel, scheme 2 - FLLW Archive Drawing Number 1509.??1: Floor Plan (fig. 219)

Drawing Citation

Drawing ??1 - Main and first floor plans (Hitchcock?)
Imperial Hotel, scheme 2 (is cited in)
In the Nature of Materials: The Buildings of Frank Lloyd Wright 1887-1941 (published in)