Treacy, W. (1889). Old Catholic Maryland and its early Jesuit missionaries. [s.n..
Chicago-referens (17:e uppl.)Treacy, William. Old Catholic Maryland and Its Early Jesuit Missionaries. Swedesboro, N. J. (St. Joseph's Rectory): [s.n., 1889.
MLA-referens (8:e uppl.)Treacy, William. Old Catholic Maryland and Its Early Jesuit Missionaries. [s.n., 1889.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.