Directives for Catholic Action, With Indulgences for Those Enrolled in Catholic Action, Expounded by Pope Pius XI / by Rev. James D. Loeffler, S.J.; Central Bureau Press, Saint Louis, 1943, PGEN 131/5776. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1097442 Accessed November 28, 2024.