Papers of Ignatius Mrak (1818-1901), Bishop of Marquette, 1869-1878, and minister to the Indians of upper Michigan. Includes personal correspondence, parish correspondence of other priests, writings and translations in Indian languages as well as Italian, Latin, English, French, Slovenian and Hungarian; with an index at the beginning of the reel; also citizenship papers, a financial report of Commission for the Catholic Missions among the Colored People and the Indians, 1889, a Polyglott Dictionary German French Indian, writings and religious instructions in Indian languages, an index of Mrak letters in the Notre Dame archives, and some papers of the Diocese of Detroit.