[u:1p5or2vu]Additional Information About the Book of Concord:[/u:1p5or2vu]

-The Book of Concord contains the Apostle’s Creed, the Nicene Creed, and the Athanasian Creed. All of these creeds have been written between the 2nd-8th Century A.D

-The Book of Concord also contains the Augsburg Confession, the Apology of the Augsburg Confession, the Smalcald Articles, the Treatise on the Power and Primacy of the Pope, Luther’s Small and Large Catechisms, and the Formula of Concord.

-The Small and Large Catechisms and the Smalcald Articles were written by Martin Luther. The Augsburg Confession, the Apology of the Augsburg Confession, and the Treatise on the Power and Primacy of the Pope were written by Philip Melanchthon.
The Formula of Concord was given its final form chiefly by Jacob Andreae, Martin Chemnitz, and Nickolaus Selnecker.

(all information from http://bookofconcord.org/intro.php)

Martin Luther was excommunicated in the year 1521. The Small Catechism was written in 1529.