Flaget, Most Rev. B.J. to Rev. Ambrose., 1816/0314, CFCL 7/13, Box: CFCL 7, Folder: 13. Francis P. Clark Collection, FCL. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/213923 Accessed December 27, 2025.