The Álvaro Siza archive documents the architectural work of Portuguese architect Álvaro Siza. The records in this archive relate to Siza’s built and unbuilt projects, dating from 1958 to 2012. The archive will continue to be expanded with projects developed by Siza after 2012. The archive is comprised of drawings, textual documentation, photographic material, electronic records, sketchbooks, and models. A collaborative project was established between the Canadian Centre for Architecture (CCA), Serralves Foundation (SF), and Calouste Gulbenkian Foundation (CGF) to allow for international research about and access to the archive. Each of the three institutions hold records for different architectural projects represented within the archive and collaborate on the descriptive work, while increasing the visibility of the archive. Together, the three institutions work toward making the archive available for researchers and cultural institutions.