Bibliography
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Bayer, Patricia. Art Deco Architecture: Design, Decoration, and Detail from the Twenties and Thirties. New York; Harry Abrams, Inc. Publishers, 1992
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Brett, Lionel. Architecture in a Crowded World. New York, Schocken Books, 1971
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Mandelker, Daniel. Greenbelts and Urban Growth. Madison; University of Wisconsin Press, 1962.
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Schaffer, Daniel. Garden Cities for America: The Radburn Experience. Philadelphia, Temple University Press, 1982.
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Stein, Clarence. Towards New Towns for America. USA, Clarence Stein Publishing, 1957.
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http://www.engine35.com/about.html
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http://www.ci.greenbelt.md.us/
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http://www.greenbelt.com/