The Thomas A. Hughes, SJ Papers consist of unpublished drafts for a proposed third volume of A History of the Society of Jesus in North America, Colonial and Federal covering 1773 to 1829. Also included is a report by Fr. Hughes entitled "de abusibus" ("on abuses"), in which he discusses Jesuit issues with modernism and worldly affairs discovered throughout his research, as well as correspondence related to his research.
The William C. Repetti, SJ Papers contain published and unpublished manuscripts, predominantly on the history of the Jesuits in the Philippines, as well as personal materials. Of special note are his accounts of internment in the Philippines during World War II (box 1 folders 5-7, 9).
The Herbert Cardinal Vaughan Collection consists of original and transcribed material pertaining to St. Joseph's Society of the Sacred Heart.