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Niemeyer
Papadaki, S. The Work of Oscar Niemeyer. New York, 1950.
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Olbrich
Architektur von Professor Joseph M. Olbrich. 3 vols. Berlin, 1903-7.
Lux, J. A. Josef Maria Olbrich. Vienna, 1919.
Veronesi, G. Josef Maria Olbrich. Milan, 1948.