Frederick K. Sloan. Pencil Points 18 August 1937, 499 Eugene Raskin. Pencil Points 20 January 1939, 37 Timothy L Pflueger. Architect and Engineer 138 39 July 1939, 38 Francis E Lloyd. Architect and Engineer 138 39 July 1939, 48 Charles Z Klauder. Pencil Points 20 January 1939, 31 Ernest Weihe. Pencil Points 18 June 1937, 388 Oscar Nitzchke. Envisioning Architecture (MoMA, New York, 2002) 1936, 81 Mies van der Rohe. Architectural Record 68 30 October 1930, 328 Dorian Dorian Paquet and Vitra. Pencil Points 18 April 1937, 217 Douglas Dacre Stone. Architect and Engineer 138 39 August 1939, 22