Library services during winter break: Van Pelt-Dietrich Library Center will be closed on 12/25 and on 1/1-1/2, and will be open all other weekdays between 12/25 and 1/1. All other libraries will be closed from 12/25 to 1/4. Circulation of books and materials, as well as other services, will also be affected. See our Service Alerts for more details. 

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Thomas Sovereign Gates Library Lecture Fund

Made possible by the Thomas Sovereign Gates Fund.

Image used for the 2017 Gates lecture, The Science of Information

Past Events

2018 : Sound, Gender, and the Color Line

A Symposium and Celebration in Honor of Marian Anderson, Musician and Citizen of the World

2017 : American and Muslim Worlds, c. 1500-1900

2017 : The Science of Information, 1870-1945

The Universalization of Knowledge in a Utopian Age

Keynote Speaker: Michael Gordin

Featured Image: "A World Centre," heliogravure by Jules Chauvet, from Hendrik Christian Andersen's World Centre for Communication (Paris, 1913; no. 19 printed for the University of Pennsylvania)

Maps and More

Campus Libraries Map

Staff Information

Resources for Staff Committees