Rational building; being a translation of the article "Construction" in the Dictionnaire raisonne ́de l'architecture française of Eugène Emmanuel Viollet-Le-Duc; (1895)
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879 · New York, Macmillan · leaf 286
270 DEVELOPMENTS (THIRTEENTH CENTURY). … Fig. I 14.
Architecture · Building
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.