Of particular note in this series is a long letter from Peter F. Mizera, O.S.B. while studying in Rome, written to an unknown party at St. Procopius College. It indicates, among other things, his longing to return home to play baseball again. Other correspondence concerns the Catholic Students' Mission Crusade, the Catholic Foreign Mission Society of America, an extended firsthand account of the conversions of the Caldey monks, and a new church being built in Annecy, France. Also included is a letter from a priest in the South Kanara province of India in which he describes the difficulty of running a parish in this area in 1920.

Preliminary handwritten drafts of the Society's constitution and bylaws, as well as the official copies, are contained in this series. Official minutes of monthly meetings are recorded mostly in ledgers and notebooks. Minutes of the Society's Executive Committee are also included here. The Executive Committee was essentially the governing body of the Society, whereas the regular meetings were attended by all members.

This series consists primarily of completed applications submitted by students wishing to join the Society. Application information includes name, address, physical characteristics, and inquires about previous Society membership. Complete membership rosters are also included here from the Society's inception until 1929.

These serving schedules are essentially timetables that indicate when members of the Society served during mass. Schedules were usually issued every three days.

The treasurer's reports in this section consist of individual volumes containing handwritten notes. The budget consists of line item inventories of materials purchased and their costs. Bills are arranged by date, and are commonly for cigarettes, candy, cassocks, magazine subscriptions, ice cream, soda, flowers, and in at least one case, a radio.

The Committee of Entertainment was charged with the planning of all social events held by the Society, particularly the annual "Bunco and Luncheon Party". Included here are the official reports of these events along with programs, speeches, and attendance sheets. Information is also included about the theatrical productions which in some cases accompanied these parties.

Scrapbook containing newspaper clippings and prayer cards pertaining to the death Charles Marek, or "Maxie" as he was also known. Marek was a student at St. Procopius College and a member of the Society.

Series contains mostly group photographs from various dates.

These scrapbooks chronicle the Catholic Students' Spiritual Leadership Convention held August 17-19, 1929 in St. Louis, Missouri. They were created by students in the Society who were attending the convention, and contain typed and handwritten correspondence, newspaper clippings, and original artwork. The third volume contains materials from the Sodality Spiritual Leadership Convention for Boy Students held at Loyola University in Chicago, June 16-18, 1929.

The Annals contain transcribed versions of most of the Society's minutes, roll calls, and serving schedules from its inception to 1934. Some photographs are also included.