Harbin F Hunter. Architect and Engineer 138 39 October 1939, 30 Daniel A Elliott. Architect and Engineer 138 39 November 1939, 48 Norman Bel Geddes. Pencil Points 18 January 1937, 13 William Lake Addkison. Pencil Points 18 August 1937, 499 Paul Nelson, Oscar Nitzchke, Frantz Jourdain. Envisioning Architecture (MoMA, New York, 2002) 1938, 83 Thomas S Tait. Architectural Record 68 30 October 1930, 314 Iakov Chernikhov. Envisioning Architecture (MoMA, New York, 2002) 1933, 79 Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1932, 21 Mies van der Rohe. Architectural Record 68 30 October 1930, 490 Hamilton Fellows and Nedved. Pencil Points 12 March 1931, 224