Catholic Historical Research Center
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The Catholic Historical Research Center (CHRC) of the Archdiocese of Philadelphia was created in 1989 to collect, preserve, and make available the historical sources illuminating the growth of Catholicism in the United States. These materials include correspondence of all of the bishops and archbishops of Philadelphia and the records of numerous Archdiocesan offices and parishes. CHRC also houses the collections of the American Catholic Historical Society of Philadelphia, as well as some records from St. Charles Borromeo Seminary. ACHS records include materials that document institutions, associations, and societies from dioceses located in the Mid-Atlantic region. The ACHS collection also includes 19th and 20th- century Catholic newspapers, journals, and pamphlets published throughout the United States, as well as the manuscripts of prominent Catholic clergy and laity.
