Aquinas’ deep and exhaustive synthesis of Catholic doctrine and philosophic thought which continues to exert a dominant influence over Roman Catholic theology. Officially recognized as a Doctor of the Church, Aquinas labored on the Summa Theologica from 1265 to 1274, dying before its completion. Image links to Aquinas Institute translation. ISBN recommendation: 0870610635
St. Thomas Aquinas: Summa Theologica
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