The Gleeson Library|Geschke Center is the University’s destination for study, research, conversation, and discovery. It houses the University's central collection of print and electronic resources. These resources - electronic subscriptions, Internet sources, books, periodicals, government documents, microforms, and video materials - total over 2 million items. The Library provides access to 16,000 streaming videos, 100,000 ebooks, 700,000 print books, 88,000 online newspaper, magazine and journal titles, and 200 databases. You can play games and work puzzles, borrow iPads & laptop computers, reserve study rooms, and schedule research appointments with Librarians. You’ll find the Thacher Art Gallery, the Donohue Rare Book Room, and even the ITS Help Desk. Open 24/5 during the Spring and Fall Semesters, the Gleeson Library|Geschke Center has 650 seats for studying and relaxing, 100 lab computers, 7 study rooms—and uncounted discoveries—all brought to you with the guidance and care of 70 creative librarians, staff, and student workers.

The Donohue Rare Book Room houses the Library's special collections. The collection contains approximately 18,000 volumes and includes the Sir Thomas More Collection, the Albert Sperisen Collection of Eric Gill, the L. Frank Baum Collection, and an outstanding collection of twentieth-century fine printing. The Donohue Rare Book Room is open Monday through Friday. Students, faculty, staff, and the University Community are encouraged to make use of the collection.

Students attending classes online or at one of the University's branch locations can take advantage of libraries and services designed especially for them. Librarians and Library Assistants work closely with students throughout the year to orient them to the research process, using both online resources and the library collections. In addition, the Distance Learning Services Coordinator helps students get the materials they need for their class assignments.

The University of San Francisco Dorraine Zief Law Library, with holdings of nearly 315,000 volumes, supports the students and faculty of the School of Law in their educational research and scholarship, while also providing access to legal information needed by the entire University community.