Since the 19th century, several Evangelical or Revivalist movements also used an elevated subordinationist theology. This can be best described as Nontrinitarianism, rather than Unitarianism. Important figures include Barton W. Stone and Charles Taze Russell. Theologies among Evangelical Unitarians are sometimes classed as Arian, and sometimes Sabellian (Jesus is God in the flesh, the manifestation of God, who exists as a single person) and the Chinese-based sabbatarian True Jesus Church. Other modern non-trinitarian churches, such as the Filipino-based Iglesia ni Cristo, may also be included, although they reject the "unitarian" name to avoid confusion. Jehovah's Witnesses also have a nontrinitarian theology with specific traits. The Christian Churches of God (CCG) is another Unitarian Church with a World Conference. It has a lot of material on Unitarian theology and history and holds the doctrine of the Pre-existence of Jesus Christ. CCG like other Sabbatarian Churches of God trace their ancestry back to the early church and follow biblical law. The CCG and Sabbatarians are sometimes erroneously called Arians due to the pejorative Trinitarian use of that term and also that of Subordinationists (see Bibliography).