William Merchant. Pencil Points 18 June 1937, 387 Norman Bel Geddes. Pencil Points 21 July 1940, 417 Norman Bel Geddes. Pencil Points 18 January 1937, 13 Charles Z Klauder. Pencil Points 20 January 1939, 31 W.E.Haible. Pencil Points 21 July 1940, 442 Dorian Dorian Paquet and Vitra. Pencil Points 18 April 1937, 217 Eugene Raskin. Pencil Points 20 January 1939, 37 Donald E Olsen. Pencil Points 24 February 1943, 39 Dorian Dorian Paquet and Vitra. Pencil Points 18 April 1937, 217 Herman Knebel. Pencil Points 20 June 1939, 409