Nicene and Post-Nicene Fathers, Series II, Vol. VIII (St. Basil: Letters and Select Works)

Basil the Great, ed. Philip Schaff and Henry Wace (1895)

Public domain
Gnosticism & Early Christianity

Public domain (pre-1928, 1895). Basil's De Spiritu Sancto, Hexaemeron and letters. Large scan (about 53 MB).

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