Walter Netsch. Progressive Architecture 54 April 1973, 85 St. Florian and Howes. Progressive Architecture 60 January 1979, 91 Gunnar Birkerts. Progressive Architecture 56 September 1975, 59 Emilio Ambasz. Progressive Architecture 61 January 1980, 95 Ferdinand Kramer. Progressive Architecture 29 May 1948, 86 Gunnar Birkerts. Progressive Architecture 56 September 1975, 63