McAvoy, T. T. (1961). The Catholic minority in early Pittsburgh: The first bishop, Michael O'Connor. s.n..
Chicago-referens (17:e uppl.)McAvoy, Thomas Timothy. The Catholic Minority in Early Pittsburgh: The First Bishop, Michael O'Connor. [Philadelphia?: s.n., 1961.
MLA-referens (8:e uppl.)McAvoy, Thomas Timothy. The Catholic Minority in Early Pittsburgh: The First Bishop, Michael O'Connor. s.n., 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.