(1869). Philip Gleason Papers. University of Notre Dame Archives.
Dyfyniad Arddull ChicagoPhilip Gleason Papers. University of Notre Dame Archives, 1869.
Dyfyniad MLAPhilip Gleason Papers. University of Notre Dame Archives, 1869.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.