There is some debate as to whether this is really by Justin. From the Ante-Nicene Fathers, vol. 1, American edition. In HTML, with notes, at Christian Classics Ethereal Library. 100K. Hortatory Address to the Greeks - M. Dods translation.
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On the Sole Government of God - G. Reith translation. In HTML, with notes, at Christian Classics Ethereal Library. From the Ante-Nicene Fathers, vol. 1, American edition. Some doubt that Justin is the author of this work.