Preparation for Mass, St. Matthias, Apostle and Martyr by Michael A. Mathis, C.S.C., Editor, 1941/0224

Preparation for Mass, St. Matthias, Apostle and Martyr by Michael A. Mathis, C.S.C., Editor, 1941/0224, CMTH 13/38, Box: CMTH 13, Folder: 38. Michael A. Mathis Papers, MTH. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/390580 Accessed April 13, 2026.