Scope and Content Personal and research papers of Rev. Nelson J. Callahan; consisting of documents pertaining to Church affairs in the Diocese of Cleveland and the Archdiocese of New York; photocopies of Richard Lalor Burtsell's diary (1865-1912) and related material; and research papers regarding Rev. Eugene O'Callaghan, author of the Jus letters. Also printed material and photographs related to Father Callahan's research and audio tapes with recordings of talks, songs, and teacher training lectures given by...