Herlihy, D. J. (1951). Battle Against Bigotry: Father Peter C. Yorke and the American Protective Association in San Francisco, 1893-1897. Philadelphia.
Chicago-referens (17:e uppl.)Herlihy, David Joseph. Battle Against Bigotry: Father Peter C. Yorke and the American Protective Association in San Francisco, 1893-1897. Philadelphia, 1951.
MLA-referens (8:e uppl.)Herlihy, David Joseph. Battle Against Bigotry: Father Peter C. Yorke and the American Protective Association in San Francisco, 1893-1897. Philadelphia, 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.