The Library is open to all professors, researchers, and students of both the Pontifical University of the Holy Cross and the Institute for Advanced Religious Studies.

Other patrons are welcome to visit the library in order to use its resources, but are not permitted to bring their own personal books inside to study.

To visit the library, you must present photo identification and acquire the appropriate card:

• Day Card: 2 euro
• Week Card: 5 euro

For longer stays, visitors can also acquire a semester card by submitting the following documents:

• A completed request form provided by the Library
• A letter of presentation from your own University, certifying your affiliation
• A passport-sized photograph

The cost of a semester card is 60 euro; for patrons of the URBE Network, 30 euro.