370987 Webster, R. J. Buildings as artifacts of urban development: Philadelphia architecture, 1690-1940 / [mikrofilem].
Chicago-referens (17:e uppl.)370987 Webster, Richard J. Buildings as Artifacts of Urban Development: Philadelphia Architecture, 1690-1940 / [mikrofilem].
MLA-referens (9:e uppl.)370987 Webster, Richard J. Buildings as Artifacts of Urban Development: Philadelphia Architecture, 1690-1940 / [mikrofilem].
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