[25th anniversary of the transfer of the See of Alton to Springfield and the installation of William A. O'Connor as Bishop of Springfield] / by Diocese of Springfield, Illinois, 1949, PGEN 10/150. General Collection, GEN. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1092446 Accessed April 16, 2024.