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 502
lanking the apse. Central western towers, placed atthe end of the nave and forming a sort of narthex porch, cameinto use at least as early as the XII century,2 and have ever sinceremained a favorite disposition for small churches. At othertimes the tower was merely built to flank the church, either… … C3 sp •a8.
Architecture, Medieval
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