St. Thomas Aquinas
 

• Summa Theologiae 1,  prologue and ques. 1

 
• Excerpts on creation (from Quaestiones disputatae de potentia dei and Summa Theologiae)

• Quaestiones disputatae de veritate

• q. 14, art. 1: What is it to believe?

• q. 14, art. 2: What is faith?
  
  
  
• Quaestiones quodlibetales
  
  
• III, q. 4, art. 2: Whether those listening to different teachers of Theology who have contrary opinions are excused from sin if they follow the false opinions of their teachers.
  
  
• V, q. 6, art. 1: Is the form of the bread annihilated (in the sacrament of the Altar)?

William of Ockham

• Summa Logicae III-2, chap. 17, On the two types of demonstration: a priori and a posteriori

Durandus de Saint-Pourçain

• In sententias theologicas Petri Lombardi, bk. 2, dist. 1, q. 5: "Does God act immediately in every action of a creature?"

Gabriel Biel

• Collectorium circa quattuor libros sententiarum, bk. 4, pt. 1, dist. 1, pt. 1. ques. 1: "Whether the sacraments of the New Covenant are effective causes of grace" (excerpts)

Luis de Molina

• Concordia [Liberi arbitrii cum gratiae donis, divina praescientia, providentia, praedestinatione et reprobatione concordia], Pt. 2: ON GOD'S GENERAL CONCURRENCE WITH SECONDARY CAUSES:

• Disputation 25: "On God's concurrence with secondary causes with respect to each of their actions and effects"

• Disputation 26: "Is God's general concurrence an action on the causes, so that they act after having first been moved, or an immediate action with the causes on their natural actions and effects?"
  
  
• Disputation 27: "Appendix to the preceding disputation"
  
  
• Disputation 28: "Other objections to our position on God's general concurrence are refuted"
  
  
• Disputation 32: "The reason why it is not God but created free choice alone which is the cause of sin" (excerpt)

Francisco Suarez

• Preface to the Disputationes Metaphysicae (Metaphysical Disputations)

• Introduction to Disputation 1 (Metaphysical Disputations)

• De Legibus, book 2, chap. 6: "Is the natural law truly a preceptive divine law?"