...rs, and periodicals owned by the American Catholic Historical Society, the majority of which relate to Irish American history. ACHS material can be found here and CHRC Historic Papers can be found here. The Catholic Historical Research Center's oral history program, which focuses on the life histories of retired Diocesan

...pal infallibility (the belief that the pope cannot be wrong in matters of faith), raised concerns that Catholics owed allegiance first to the Church and not to the United States. The increasing number of Catholic immigrants, most notably from Ireland, led many to believe that America’s Protestant culture was at