Sócrates Escolástico. «18». História Eclesiástica. The Emperor of the West requests his Brother to send him Three Persons who could give an Account of the Deposition of Athanasius and Paul. Those who are sent publish Another Form of the Creed. (em inglês). II. [S.l.: s.n.]
Sozomeno. «6». História Eclesiástica. Photinus, Bishop of Sirmium. His Heresy, and the Council convened at Sirmium in Opposition thereto. The Three Formularies of Faith. This Agitator of Empty Ideas was refuted by Basil of Ancyra. After his Deposition Photinus, although solicited, declined Reconciliation. (em inglês). IV. [S.l.: s.n.]
Sócrates Escolástico. «19». História Eclesiástica. Of the Creed sent by the Eastern Bishops to those in Italy, called the Lengthy Creed. (em inglês). II. [S.l.: s.n.]
Sócrates Escolástico. «12». História Eclesiástica. The Macedonians, pressed by the Emperor's Violence toward them, send a Deputation to Liberius Bishop of Rome, and subscribe the Nicene Creed. (em inglês). IV. [S.l.: s.n.]