"The War Letters of Father Peter Paul Cooney of the Congregation of Holy Cross", by the Rev. Thomas McAvoy published in the Records of the Catholic Historical Society of Philadelphia,, 1933

"The War Letters of Father Peter Paul Cooney of the Congregation of Holy Cross", by the Rev. Thomas McAvoy published in the Records of the Catholic Historical Society of Philadelphia,, 1933, CCOO 2/11, Box: CCOO 2, Folder: 11. Peter Paul Cooney Papers, COO. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/79314 Accessed March 03, 2026.