A Catechism of Christian Doctrine, Prepared and Enjoined by Order of the Third Plenary Council of Baltimore, With Word Meanings Before Each Chapter and Mass Prayers and Hymns, 1923, PGEN 142/6499. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1098167 Accessed May 21, 2024.