The particular strengths of the Bishop Payne Library collection are in the areas of biblical studies, church history, theology, the Protestant Reformation, missions, liturgics and music. It is a major resource for the study of Anglicanism. The collection includes source materials from many of the provinces and dioceses of the international Anglican Communion. Special collections include the Charles Winfred Douglas Memorial Collection which emphasizes Episcopal hymnody as well as the Anglo-Catholic plainchant revival.
The library collection numbers over 225,000 volumes of books and bound periodicals and 190,000 e-books. The library receives 700 current journals, periodicals, and newspapers in print and subscribes to over 20 computer research databases of indexes and full-text journal articles.