DE FIDE ORTHODOXA: AN EXACT EXPOSITION OF THE ORTHODOX FAITH. Written by a man who worked under Arian Muslim rule in Damascus, this is the first systematic theology of Orthodox Christian doctrines. Living at the time when the Church was still united, he is considered a saint in both Eastern Orthodoxy and Western Catholicism; he is also commemorated by the Lutherans, Anglicans, and Episcopalians. GET IT: https://agape-biblia.org/ortho....doxy/De_Fide_Orthodo
