Frank Lloyd Wright, Heinrich Klumb, Takehiko Okami. Envisioning Architecture (MoMA, New York, 2002) 1929, 43 Hannes Meyer and Hans Wittwer. Bauhaus 1-2 1927, 5 Theo van Doesburg, Cornelis van Eesteren. Envisioning Architecture (MoMA, New York, 2002) 1923, 56 El Lissitzky (1924). AA Files 5 January 1984, 37 Frank Lloyd Wright. Envisioning Architecture (MoMA, New York, 2002) 1927, 54 Walker and Weeks. Architectural Record 47 20 June 1920, 515 Mart Stam. Bauhaus 3-1 1929, 20 Lotte Gerson, Gustav Hasenpflug,Takehito Mizutani. Bauhaus 2-2 1928, 6 Mies van der Rohe. Envisioning Architecture (MoMA, New York, 2002) 1923, 60 Gaetano Moretti. Arquitectura. v.6 n.36 1920, 23