Sisters of the Visitation of the Immaculate Heart of Mary & Curtis, A. A. (1991). Bishop Curtis of Wilmington: The life and writings of Rt. Rev. Alfred Allen Curtis, D.D. (1831-1908), Second Bishop of Wilmington, Delaware, and former Episcopalian pastor. TAN Books.
Chicago-referens (17:e uppl.)Sisters of the Visitation of the Immaculate Heart of Mary och Alfred Allen Curtis. Bishop Curtis of Wilmington: The Life and Writings of Rt. Rev. Alfred Allen Curtis, D.D. (1831-1908), Second Bishop of Wilmington, Delaware, and Former Episcopalian Pastor. Rockford, Ill.: TAN Books, 1991.
MLA-referens (8:e uppl.)Sisters of the Visitation of the Immaculate Heart of Mary och Alfred Allen Curtis. Bishop Curtis of Wilmington: The Life and Writings of Rt. Rev. Alfred Allen Curtis, D.D. (1831-1908), Second Bishop of Wilmington, Delaware, and Former Episcopalian Pastor. TAN Books, 1991.