Frank Lloyd Wright; Volume 07: Monograph 1942-1950 - Usonian Houses for the USA, "Cloverleaf" - FLLW Archive Drawing Number 4203.026: Penthouse and Roof Plans (p. 7, fig. 12)

Drawing Citation

Drawing 026 - Penthouse and Roof Plans - Penthouse and roof plans
Usonian Houses for the USA, "Cloverleaf" (is cited in)
Frank Lloyd Wright; Volume 07: Monograph 1942-1950 (published in)