Foundations of The Christian Faith series. Class #7 The Triune God.

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The Playlist with all the classes of the "Foundations of the Christian Faith" series:    • Foundations of The Christian Faith  

Good books about the Trinity:

The Forgotten Trinity by James R. White. ISBN 978-1-55661-725-6 Biblical Doctrine by John MacArthur. ISBN 978-1-4335-4591-7