Walker and Weeks. Architectural Record 47 20 June 1920, 515 Lotte Gerson, Gustav Hasenpflug,Takehito Mizutani. Bauhaus 2-2 1928, 6 Joost Schmidt. Bauhaus 2-2 1928, 23 Theo van Doesburg, Cornelis van Eesteren. Envisioning Architecture (MoMA, New York, 2002) 1923, 56 Ludwig Hilberseimer. Bauhaus 4-1 1929, 3 Mies van der Rohe. Envisioning Architecture (MoMA, New York, 2002) 1923, 60 El Lissitzky (1924). AA Files 5 January 1984, 37 Frank Lloyd Wright, Heinrich Klumb, Takehiko Okami. Envisioning Architecture (MoMA, New York, 2002) 1929, 43 Frank Lloyd Wright. Envisioning Architecture (MoMA, New York, 2002) 1927, 54 Konrad Puschel. Bauhaus 3-1 1929, 17