Disputed Questions Concerning the Union of the Word Incarnate (Thomas Aquinas)
On the Eternity of the World (De aeternitate mundi) (Thomas Aquinas)
On the Articles of Faith (De articulis fidei) (Thomas Aquinas)
Letter to Bernard, Abbot of Monte Cassino (Epistola ad Bernardum abbatem Casinensem) (Thomas Aquinas)
A Letter on Credit Sales and Usury (De emptione et venditione ad tempus) (Thomas Aquinas)
On the Blend of the Elements (De mixtione elementorum) (Thomas Aquinas)
On the Motion of the Heart (De motu cordis) (Thomas Aquinas)
To a Certain Knight Beyond the Mountains on the Occult Workings of Nature (De operationibus occultis naturae ad quemdam militem ultramontanum) (Thomas Aquinas)