Around 4,000 books and serials on theosophy, Indian philosophy, comparative religion and related topics.

About 200 books and 260 pamphlets, plus personal papers and photographs mainly related to Australian history, politics, law, literature and religion from Sir Ernest Littleton Groom.

453 books, pamphlets and leaflets in French or Latin that had been condemned and suppressed by ecclesiastical and civil authorities, as well as commentaries on those writings.

Around 830 books mainly relating to Buddhism, but also to Hinduism, Indian history and Western philosophy, in German, French and English and mostly published 1870–1945.

Around 6500 books, 160 serial titles and 918 reprints of individual articles in the subject areas of patristic studies, liturgy, canon law, Biblical studies, church history, biography, cathedrals and other religions.

5482 titles published 1564-1965 and written in Latin, Greek, English, French, German, Italian and Spanish. They cover a wide range of subjects, mostly related to religion, philosophy and the Society of Jesus.