Feehan Memorial Library and McEssy Theological Resource Center contain over 200,000 volumes with notable collections in patristics, canon law, scripture, systematic theology, and church history.
The library’s online catalog provides users the ability to search for books, print and online journals, ebooks and DVDs.  Online databases and e-journal subscriptions provide full- text articles from over 10,000 online journals.

The library was featured in American Libraries Direct online magazine which showcased 250 libraries around the world that were notable for their exquisite architecture, historic collections, and innovative services.