Catholic Church. Diocese of Newark (N.J.). Bishop (1881-1901: Wigger) Pastoral letter. University of Notre Dame Archives.
Chicago (17e ed.) BronvermeldingCatholic Church. Diocese of Newark (N.J.). Bishop (1881-1901: Wigger) Pastoral Letter. University of Notre Dame Archives.
MLA (8e ed.) BronvermeldingCatholic Church. Diocese of Newark (N.J.). Bishop (1881-1901: Wigger) Pastoral Letter. University of Notre Dame Archives.
Let op: Deze citaties zijn niet altijd 100% accuraat.