The Origin of Man, Unity and Antiquity of the Human Species, lectures and notes by Rev. Michael A. Mathis, C.S.C. for Summer Session, University of Notre Dame, Notre Dame, IN, 1948

The Origin of Man, Unity and Antiquity of the Human Species, lectures and notes by Rev. Michael A. Mathis, C.S.C. for Summer Session, University of Notre Dame, Notre Dame, IN, 1948, CMTH 17/24, Box: CMTH 17, Folder: 24. Michael A. Mathis Papers, MTH. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/390792 Accessed April 25, 2026.