Writings About the Angels

Besides what is found in the Bible, here are some Catholic writings on the Angels. This list is not complete nor neccessarily authoritative.

Saint Thomas Aquinas, Summa Theologica:

• The substance of the angels absolutely considered
• The angels in comparison with bodies
• The angels in relation to place
• The local movement of the angels
• The knowledge of the angels
• The medium of the angelic knowledge
• The angel's knowledge of immaterial things
• The angel's knowledge of material things
• The mode of angelic knowledge
• The will of the angels
• The love or dilection of the angels
• The production of the angels in the order of natural being
• The perfection of the angels in the order of grace and of glory
• The malice of the angels with regard to sin
• The punishment of the demons
• How one creature moves another
• The speech of the angels
• The angelic degrees of hierarchies and orders
• The ordering of the bad angels
• How angels act on bodies
• The action of the angels on man
• The mission of the angels
• The guardianship of the good angels
• The assaults of the demons

Saint Denys [Dionysius the (Psuedo-) Areopagite]: The Celestial Hierarchy. And another version of the same.

Saint Bonaventure, "De angelorum natura", not found online.

Catechism of the Catholic Church, The Angels

Catholic Encyclopedia article on Angels

Saint Jerome, Commentary on Daniel

Tertullian, Against Marcion, Book II (see Chapter 8 and other following chapters), Against Praxeas.

Saint Augustine, City of God, Book X, Book XI, Book XII.

Saint Justin Martyr, Second Apology (see Chapter 5)