Monadnock Building
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Hoffmann, Donald (1973): The Architecture of John Wellborn Root. Johns Hopkins University Press, Baltimore (USA), S. 155-176.
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Leslie, Thomas (2010): "Built Mostly of Itself". The Chicago Brick Industry and the Masonry Skyscraper in the Late 19th Century. In: Construction History, v. 25 ( 2010), S. 69-84.
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Hoffmann, Donald (1967): John Root's Monadnock Building. In: Journal of the Society of Architectural Historians, v. 26, n. 4 (Dezember 1967), S. 269-277.
https://doi.org/10.2307/988453