Supplement II: The Prayer of the Church, Interim version of the new Roman Breviary Proper of the Sainta, July-November General Roman Calendar for Interim Use; Geoffrey Chapman, London, 1970, PGEN 128/5596. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1097262 Accessed November 27, 2024.