A SELECT LIBRARY OF THE NICENE AND POST-NICENE FATHERS OF THE CHRISTIAN CHURCH. EDITED BY PHILIP SCHAFF, D.D., LL.D., PROFESSOR IN THE UNION THEOLOGICAL SEMINARY, NEW YORK, IN CONNECTION WITH A NUMBER OF PATRISTIC SCHOLARS OF EUROPE AND AMERICA. VOLUME III ON THE HOLY TRINITY DOCTRINAL TREATISES MORAL TREATISES T&T CLARK EDINBURGH __________________________________________________ WM. B. EERDMANS PUBLISHING COMPANY GRAND RAPIDS, MICHIGAN