Title: The Unity Of God. Asserted and Defended. In Two Books. Written Originally in Latin, by that Fa- mous and Learned John Crellius. In which it is most evidently proved, That only the God and Father of our Lord Jesus Christ, is the most High God. As also many things of great moment concerning the Nature of the Son of God, and Holy Spirit, are discoursed of. Together with the usefulness of this doctrine