De fide Catolica

There are a number of documents titled De Fide Catholica concerning the Catholic faith.

Among them are:

• The edict "De fide catholica" (Edictum de fide catholica issued by Emperor Theodosius on 27 February 380, establishing Catholic Christianity as the official religion of the empire.
• The Tractate "De fide catholica" of Boethius (480-524 or 525)
• De fide catholica ex Veteri et Novo Testamento contra Iudaeos by Isidore of Seville (560-636)
• The Summa contra Gentiles, also known as Tractatus de fide catholica, contra Gentiles [contra errores infidelium], of Thomas Aquinas (1225-1274)
• The Constitution "De fide catholica" of the First Vatican Council approved in April 1870 (also called "Dei Filius").