SPIRO is the visual online public access catalog to the 35mm slide collection of the Architecture Visual Resources Library (AVRL) at the University of California at Berkeley. The collection numbers over 250,000 slides and 20,000 photographs
A collection of over 150,000 prints and drawings. Laid out in chronological order, they would make, as it were, a documentary showing the history of the Netherlands [35 000 accessibles en ligne via une base de données]
A free, publicly searchable Internet database of architectural and historical information and images for 35,000+ structures, mostly in Philadelphia, Bucks, Chester, Delaware and Montgomery Counties, including all those on the Philadelphia Historical Commission list of significant buildings, and the Pennsylvania Historical & Museum Commission’s inventory of historic structures