Historical

Martin Luther's autobiographical fragment from 1545 outlines the theological breakthrough which led to his gospel rediscovery and the Reformation. 

Martin Luther teaches us what to look for and expect in the Gospels in this short piece from vol. 35 of his Works. 

Thomas Goodwin expounds Ephesians 2 an other New Testament passages to show that 'grace is the main thing of the gospel'. 

Swiss reformer Huldrych Zwingli's famous sermon outlines the power and authority of the Bible. Online exclusively at Union! 

Jonathan Edwards outlines a theology of grace in this essay. 

Michael Reeves introduces us to C. H. Spurgeon's approach to living as a Christian. 

Glen Scrivener walks us through how Irenaeus and Athanasius saw creation and salvation as intimately related purposes of God. 

Peter Williams asks whether the biblical canon and Christian theology were invented long after Jesus' life in this apologetic talk. 

Cyril's third letter his colleague, Nestorius, is a more lengthly and robust argument against his false teaching. It includes twelve 'anathemas' (curses) which Cyril hoped Nestorius would accept. 

Luther's important 1520 treatise on the Sacraments.