Register, T. W. C. (1987). Commemorative Centennial Issue (Diocese of Cheyenne, Wyoming). Cheyenne, Wyo..
Dyfyniad Arddull ChicagoRegister, The Wyoming Catholic. Commemorative Centennial Issue (Diocese of Cheyenne, Wyoming). Cheyenne, Wyo., 1987.
Dyfyniad MLARegister, The Wyoming Catholic. Commemorative Centennial Issue (Diocese of Cheyenne, Wyoming). Cheyenne, Wyo., 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.