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https://breuer.syr.edu/Documents/Detail/steel-work-fabrication-drawings-and-specifications/263848 Steel Work: Fabrication Drawings and Specifications - Marcel Breuer Digital Archive Steel Work: Fabrication Drawings and Specifications, circa 1956-1957, Drawings, Diazotypes, Residential, Gagarin House I (Litchfield, CT, USA, 1956-1957),... drawings and specifications steel work marcel breuer fabrication digital https://sibr.nist.gov/node/1428136 Engineering drawings and specifications | Standards Incorporated by Reference (SIBR) drawings and specifications by reference engineering standards incorporated