Primary Sources ~ Trinity; God; Christ; Holy Spirit

A fourth letter, concerning the sacred Trinity (1691) by John Wallis
A second letter concerning the Holy Trinity (1691) by John Wallis
A seventh letter, concerning the sacred Trinity (1691) by John Wallis
A sixth letter, concerning the sacred Trinity (1691) by John Wallis
An eighth letter concerning the sacred Trinity (1692) by John Wallis
The doctrine of the Blessed Trinity briefly explained (1690) by John Wallis