Welcome to the Archives of the Archdiocese of New York. The main purpose of the Archives is to document the history of the Archdiocese, in addition to supporting the larger mission of the Catholic Church in New York. The Archives are located at St. Joseph’s Seminary, Dunwoodie, and welcome both members of the scholarly community and others who are interested in learning more about the influence the Archdiocese of New York has had on the church as well as society as a whole.