Ernesto Bruno La Padula. Envisioning Architecture (MoMA, New York, 2002) 1939, 85 Paul Nelson, Oscar Nitzchke, Frantz Jourdain. Envisioning Architecture (MoMA, New York, 2002) 1938, 83 Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1938, 86 Briggs. Pencil Points 12 January 1931, 54 Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1932, 21 William Merchant. Pencil Points 18 June 1937, 387 Daniel A Elliott. Architect and Engineer 138 39 November 1939, 48 Charles Z Klauder. Pencil Points 20 January 1939, 31 Ernest Weihe. Pencil Points 18 June 1937, 388 Miles Sater. Pencil Points 20 January 1939, 30