Arnold Lorenzen. Pencil Points 18 August 1937, 501 Timothy L Pflueger. Architect and Engineer 138 39 July 1939, 38 Mies van der Rohe. Architectural Record 68 30 October 1930, 490 Richard Neutra. Architectural Record 68 30 August 1930, 100 Iakov Chernikhov. Envisioning Architecture (MoMA, New York, 2002) 1933, 79 Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1932, 75 Walter Dorwin Teague. Pencil Points 14 October 1933, 438 William Lake Addkison. Pencil Points 18 August 1937, 499 Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1938, 86 P C Jeffries. Pencil Points 20 June 1939, 404 Thomas B Benedict. Pencil Points 18 August 1937, 500