R.I.P. Father Mathis, by Mother Anna Dengel, M.D., Medical Missionary, Vol. XXXIV, No. 2, published by the Medical Mission Sisters, Society of Catholic Medical Missionaries, Inc., Philadelphia, PA, 1960

R.I.P. Father Mathis, by Mother Anna Dengel, M.D., Medical Missionary, Vol. XXXIV, No. 2, published by the Medical Mission Sisters, Society of Catholic Medical Missionaries, Inc., Philadelphia, PA, 1960, CMTH 14/12, Box: CMTH 14, Folder: 12. Michael A. Mathis Papers, MTH. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/390628 Accessed April 21, 2026.