Correspondence dealing mostly with Shea's writing and his financial difficulties; manuscripts of the first three volumes of his History of the Catholic Church in the United States; and a manuscript of his American Martyrology: lives of Catholic missionaries killed on the Indian missions in Canada and the United States from the earliest times.

Calendared

Correspondence, 1864-1910, including letters from many bishops and correspondence with Eliza Allen Starr, John Gilmary Shea, Charles O'Conor, and James F. Edwards; clippings, 1880s-1910; research notes; manuscripts of his History of the Catholic Church in the United States; and biographical information on bishops.

Calendared