Norman Bel Geddes. Pencil Points 18 January 1937, 13 Lewis Hobart. Pencil Points 18 June 1937, 389 Johnson Kaufmann Coate. Pencil Points 20 July 1939, 430 Richmond H Shreve. Pencil Points 20 July 1939, 424 Norman Bel Geddes. Pencil Points 18 January 1937, 12