[1] The library holds the Weigle Information Commons, located on the west side of the 1st floor.

In 1990, the Goldstein Undergraduate Study Center was added to the basement level, and during the school year, this area is available 24/7 to Penn students from when the library opens on Sunday morning through to Friday evenings.

The Kislak Center for Special Collections, Rare Books and Manuscripts, a newly reconfigured 27,000 square-foot space opened in 2013.

[2] This major renovation included a completely renovated 6th floor with gallery space, meeting rooms, the Horace Howard Furness Shakespeare Library, a glass-walled pavilion, and spaces for study and events, and an expansion of special collections stacks to Van Pelt's 5th floor.

The David B. Weigle Information Commons (WIC) is a technology hub located in the library.