Iakov Chernikhov. Envisioning Architecture (MoMA, New York, 2002) 1933, 79 Norman Bel Geddes. Pencil Points 18 January 1937, 13 Herbert Bayer. Envisioning Architecture (MoMA, New York, 2002) 1938, 18 Eugene Kinn Choy. Architect and Engineer 136 37 April 1939, 37 Timothy L Pflueger. Architect and Engineer 138 39 July 1939, 38 William Merchant. Pencil Points 18 June 1937, 387 Ernest Weihe. Pencil Points 18 June 1937, 388 Paul Nelson, Oscar Nitzchke, Frantz Jourdain. Envisioning Architecture (MoMA, New York, 2002) 1938, 83 Mies van der Rohe. Architectural Record 68 30 October 1930, 490 Briggs. Pencil Points 12 January 1931, 54