Sursum Corda, My Heart is Steadfast, Published by Rev. Michael A. Mathis, C.S.C., St. Joseph's Hospital, South Bend, IN, 1951

Sursum Corda, My Heart is Steadfast, Published by Rev. Michael A. Mathis, C.S.C., St. Joseph's Hospital, South Bend, IN, 1951, CMTH 16/09, Box: CMTH 16, Folder: 09. Michael A. Mathis Papers, MTH. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/390736 Accessed April 17, 2026.