Hector Guimard (1912). Hector Guimard(Monograph Series), Architectural Design, London 1978, 57 Hector Guimard (1912). Hector Guimard(Monograph Series), Architectural Design, London 1978, 75 Hector Guimard (1912). Hector Guimard(Monograph Series), Architectural Design, London 1978, 74