This historic library, a National Historic Landmark, is the major masterpiece of Philadelphia's most important Victorian architect, Frank Furness. Combining genius in planning and form, it is a seminal library design that expresses function while merging the imagery of cathedral and railroad station. Additions in 1916, 1922, and 1931, Restored from 1986-91 by Venturi, Scott Brown and Associates. The 1931 McGoodwin addition is home to the Arthur Ross Gallery.