Book of Concord
Luther's Large Catechism
Luther's Large Catechism of 1529: born from thirty sermons preached in 1528, written for pastors and fathers, its five parts, its famous preface on daily study, and its place in the Book of Concord.
Martin Chemnitz
A short biography of Martin Chemnitz (1522–1586), Lutheran theologian of Brunswick, author of the Examination of the Council of Trent and a chief architect of the Formula of Concord.

