William Lake Addkison. Pencil Points 18 August 1937, 499 Douglas Dacre Stone. Architect and Engineer 138 39 August 1939, 22 Lewis Hobart. Pencil Points 18 June 1937, 389 Eugene Kinn Choy. Architect and Engineer 136 37 April 1939, 37 Herman Knebel. Pencil Points 20 June 1939, 409 Paul Nelson, Oscar Nitzchke, Frantz Jourdain. Envisioning Architecture (MoMA, New York, 2002) 1938, 83 Herbert Bayer. Envisioning Architecture (MoMA, New York, 2002) 1938, 18 William Merchant. Pencil Points 18 June 1937, 387 Norman Bel Geddes. Pencil Points 18 January 1937, 13 Howe and Lescaze. Architectural Record 68 30 October 1930, 440