42 Frank Lloyd Wright: Middleton, Wis., 331 Herbert Jacobs house, 1948, plan (from Hitchcock and Drexler, _Built in U.S.A._, p. 121) 43 Adolf Loos: Vienna, Gustav Scheu house, 353 1912, plan (Courtesy of Dr Ludwig Münz) 44 Le Corbusier: First project for Citrohan 368 house, 1919-20, perspective (from Le Corbusier, _Œuvre complète_, I, p. 31) 45 Le Corbusier: Second project for 369 Citrohan house, 1922, plans and section (from Le Corbusier, _Œuvre complète_, I, p. 44) 46 Le Corbusier: Vaucresson, S.-et-O., 371 house, 1923, plans (from Le Corbusier, _Œuvre complète_, I, p. 51) 47 Le Corbusier: Poissy, S.-et-O., Savoye 372 house, 1929-30, plan (from Hitchcock, _Modern Architecture_, p. 67) 48 Walter Gropius: Dessau, Bauhaus, 1925-6, 374 plans (from Hitchcock, _Modern Architecture_, p. 67) 49 Ludwig Mies van der Rohe: Project for 375 brick country house, 1922, plan (from Johnson, _Mies van der Rohe_, p. 32) 50 Ludwig Mies van der Rohe: Brno, 376 Tugendhat house, 1930, plan (from Hitchcock, _Modern Architecture_, p. 127) 51 Le Corbusier: Marseilles, Unité 386 d’Habitation, 1946-52, section of three storeys (from Le Corbusier, _Œuvre complète_, V, p. 211) 52 Ludwig Mies van der Rohe: Chicago, 389 Illinois Institute of Technology, 1939-41, general plan (from Johnson, _Mies van der Rohe_, 2nd ed., p. 134) 53 Ludwig Mies van der Rohe: Plano, Ill., 390 Dr Edith Farnsworth House, 1950, plan (from Johnson, _Mies van der Rohe_, p. 170) 54 Sir Edwin Lutyens: Hampstead Garden 406 Suburb, London, North and South Squares, 1908 (from Weaver, _Houses and Gardens_ (Country Life), 1913, figure 480) 55 Saarinen & Saarinen: Warren, Mich., 419 General Motors Technical Institute, 1946-55, layout (Courtesy of General Motors) 56 Osvaldo Arthur Bratke: São Paulo, 425 Morumbí, Bratke house, 1953, plan (from Hitchcock, _Latin American Architecture_, p. 174)