Frank Lloyd Wright. Envisioning Architecture (MoMA, New York, 2002) 1927, 54 Mart Stam. Bauhaus 3-1 1929, 20 Marcel Breuer. Bauhaus 2-1 1928, 14 Albrecht Heubner. Envisioning Architecture (MoMA, New York, 2002) 1928, 58 Frank Lloyd Wright, Heinrich Klumb, Takehiko Okami. Envisioning Architecture (MoMA, New York, 2002) 1929, 43 Albert Bullock. Architectural Record 47 20 June 1920, 536 Frank Lloyd Wright. Envisioning Architecture (MoMA, New York, 2002) 1923, 63 Theo van Doesburg. Envisioning Architecture (MoMA, New York, 2002) 1927, 67 Jorge Caprario. Arquitectura. v.6 n.36 1920, 58 Ludwig Hilberseimer. Bauhaus 4-1 1929, 3