Catholic Encyclopedia: Taoism: Catholic explanation of Taoism.
Taoism: "The truth about satanism, witchcraft and many other false beliefs that satan has lost souls involved in."
Taoism Religion: Christian compare and contrast style site about Taoism.
Zen and the Art of Divebombing: "The Dark Side of the Tao" a long detailed look at Taoism and difficulties of morality.