An Audience With Blessed Piux X Whose Canonization to Sainthood is a Radiant Highlight of the Marian Year; The Confraternity of the Precious Blood, New York, PGEN 126/5271. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1096937 Accessed November 23, 2024.