Catholic Church. Pope (1878-1903 : Leo XIII), Treacy, G. C., & Leo XIII, P. (1944). Freemasonry. Paulist Press.
Dyfyniad Arddull ChicagoCatholic Church. Pope (1878-1903 : Leo XIII), Gerald C. Treacy, and Pope Leo XIII. Freemasonry. New York: Paulist Press, 1944.
Dyfyniad MLACatholic Church. Pope (1878-1903 : Leo XIII), et al. Freemasonry. Paulist Press, 1944.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.