Medieval architecture, its origins and development, with lists of monuments and bibliographies (1909)
Porter, Arthur Kingsley, 1883-1933 · New York, The Baker and Taylor Company · leaf 508
probably primarily the contribution of Normandy, the angleturret that of the He de France. In addition to towers and spires, turrets came into generaluse in the last years of the XII century. These turrets wereusually built to contain spiral staircases leading to various partsof the building. They… … III. 141. — Doorway of St. Contest. (From Ruprich-Robert)
Architecture, Medieval
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