All of the images used in this guide came from one of the following image databases:
ARTstor: A basic "frank furness" keyword search will retrieve all related images of his buildings including the FIsher Fine Arts Library (photos and floor plans). (Penn Campus Only)
Fine Arts Image Collection: Fisher Fine Arts Library's very own image resource (300K+ images). There are over 600 images related to Frank Furness here and a "frank furness" search should retrieve them all. (Penn Campus Only)
Philadelphia Architects & Buildings: Amazing (and free) resource for local buildings, projects, and architects. Features a wide array of Fisher plans and drawings from different phases of design and construction.
SAH Archipedia: The entry for the Fisher Fine Arts Library includes beautiful exterior shots along with some floor plans.
Historic American Buildings Survey: Search for "University of Pennsylvania, Furness Building".
