Here are the posts reviewing William J. Wright’s Martin Luther’s Understanding of God’s Two Kingdoms:
Chapter 1- Interpretations of Luther’s Idea of the Two Kingdoms during the Last Two Centuries
Chapter 2- The Skeptical Challenge of the Early Italian Renaissance
Chapter 3- Northern Humanism: The Context of Luther’s Two Kingdoms
Chapter 4- The Two-Kingdoms Worldview: How Luther Used the Concept in Diverse Contexts
Chapter 5- The Reformer Applies the Two Kingdoms to the Christian Life