Thomas, Samuel Joseph. Response of the Periodical Press in the U.S. to the Intervention of Pope Leo XIII into Major... unpublished thesis, 1971. Subject: Pope Leo XIII. Subject: Americanism. Subject: Press and Journalism, MGEN M5211. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1099620 Accessed October 19, 2024.