Sabbatum. The mystery of the Sabbath discovered : Wherein the doctrine of the Sabbath, according to the Scriptures, and the primitive church, is declared. The Sabbath moral, and ceremonial are described, and differenced. What the rest of God signified, and wherein it consisted. The fourth commandment expounded. What part of the fourth commandment is moral, and what therein is ceremonial. Something (occasionally) concerning the Christian Sunday. By Edm. Porter, B.D. sometime fellow of St John's Colledge in Cambridge, and Prebend of Norwich.