Walker and Weeks. Architectural Record 47 20 June 1920, 515 Theo van Doesburg, Cornelis van Eesteren. Envisioning Architecture (MoMA, New York, 2002) 1923, 56 Albrecht Heubner. Envisioning Architecture (MoMA, New York, 2002) 1928, 58 Theo van Doesburg. Envisioning Architecture (MoMA, New York, 2002) 1927, 67 Frank Lloyd Wright. Envisioning Architecture (MoMA, New York, 2002) 1923, 63 Mart Stam. Bauhaus 3-1 1929, 20 Oskar Schlemmer. Bauhaus 1-3 1927, 4 Mies van der Rohe. Envisioning Architecture (MoMA, New York, 2002) 1921, 50 Marcel Breuer. Bauhaus 2-1 1928, 14 Konrad Puschel. Bauhaus 3-1 1929, 17