Established in 1930 to serve the Jesuit Seminary, the Regis Collection currently holds approximately 60,000 volumes and carries about 140 current journal subscriptions. The collection includes a wide variety of theological materials with emphases on Christian spirituality (with a specialization in the Spiritual Exercises of St. Ignatius); Christian ethics; Roman Catholic systematic and historical theology; classic Christian texts in their original languages and in translation.
The Regis Study Commons in the lower level of the Fontbonne Hall Wing of Regis College provides quiet, comfortable study space with a variety of seating areas.