Summa Theologiae

Saint Thomas Aquinas's 13th-century scholastic masterpiece rejecting a priori ontological proofs in favor of the Five Ways.

Saint Thomas Aquinas (c. 1265–1274)

Monumental 13th-century theological treatise by Saint Thomas Aquinas synthesizing Christian dogma with Aristotelian philosophy.

Saint Thomas Aquinas (c. 1265–1274 scholastic theological synthesis analyzing the incorporeal nature of angels).