Resume: The Lisbon School of Architecture (FAUL) now has access to the entire collection of João António de Aguiar. It is now available to the Archives of Architecture, Urbanism and Design - ARCH/VES. In this sense, the study of the Urban Practice of this architect for Santarém seems to us a singular opportunity to identify possible operative methods and specific strategies, including basic principles of intervention at the various scales that confer unique architectural identities to his work, and simultaneously, singular architectural identities to his work and, a possible set of recognizable and constant invariants and constant, that allow the evaluation of a possible duplicity of approaches, in the perspective of the conceptual coherence of the conceptual coherence of the Architecture practiced.
