Overview

The Book of Concord, or Concordia, is the historic and authoritative collection of confessional statements for the Lutheran Church. Published in 1580 on the fiftieth anniversary of the Augsburg Confession, it was compiled to unify the Lutheran movement after the death of Martin Luther in 1546. During the subsequent decades, internal theological controversies threatened to fracture Lutheranism. The Book of Concord was the result of a concerted effort by theologians like Jakob Andreae and Martin Chemnitz to resolve these disputes and articulate a clear, unified expression of faith. It contains the three ecumenical creeds, the Augsburg Confession and its Apology, Luther's Small and Large Catechisms, the Smalcald Articles, the Treatise on the Power and Primacy of the Pope, and the Formula of Concord. It serves not as a replacement for Scripture, but as a definitive interpretation of it, establishing the doctrinal basis for Lutheran churches worldwide.

Summary

The Book of Concord is not a single narrative but a collection of distinct theological documents arranged to present a comprehensive summary of Lutheran doctrine. It begins by affirming continuity with the ancient church through the inclusion of the three Ecumenical Creeds: the Apostles' Creed, the Nicene Creed, and the Athanasian Creed. The centerpiece is the Augsburg Confession (1530), the primary declaration of Lutheran faith presented to Emperor Charles V, and its lengthy defense, the Apology of the Augsburg Confession (1531). Following these are documents written by Martin Luther: the Smalcald Articles (1537), a statement of what could and could not be conceded in potential council with the Pope, and his immensely influential Small Catechism and Large Catechism (1529), designed for the instruction of laity and pastors, respectively. The Treatise on the Power and Primacy of the Pope (1537), written by Philip Melanchthon, supplements the Augsburg Confession by addressing the authority of the papacy. The collection concludes with the Formula of Concord (1577), a detailed theological work in two parts (Epitome and Solid Declaration) that settled a generation of internal Lutheran controversies on topics like original sin, free will, and the Lord's Supper, thereby securing the unity of the movement.

Historical Context

The Book of Concord emerged from the turbulent decades following Martin Luther's death in 1546. Without its central figure, the Lutheran movement faced both intense external pressure from the Catholic Counter-Reformation and debilitating internal theological strife. Disputes erupted between different factions, notably the Philippists (followers of the more conciliatory Philip Melanchthon) and the Gnesio-Lutherans (or 'genuine' Lutherans) who claimed to be Luther's true heirs. These conflicts, known as the Majoristic, Adiaphoristic, and Synergistic controversies, among others, concerned core doctrines like the role of good works in salvation, the nature of human will in conversion, and the presence of Christ in the Eucharist. Political fragmentation within the Holy Roman Empire exacerbated these divisions. In response, a generation of theologians, including Martin Chemnitz, Jakob Andreae, and Nikolaus Selnecker, worked for over two decades to mediate these disputes. Their efforts culminated in the Formula of Concord (1577), which resolved the key issues. The complete Book of Concord was then compiled and published in 1580 to serve as a single, unifying 'concord' that would define Lutheran identity against both Roman Catholicism and other Protestant groups like the Calvinists.

Why It Was Excluded from the Canon

The Book of Concord was never a candidate for the biblical canon and was never intended to be. It is a 'confessional' document, meaning its authority is derived from and subordinate to the Bible. Lutheran theology makes a critical distinction between the Bible as the 'norma normans' (the norming norm, the ultimate source and standard) and the confessional writings as the 'norma normata' (the normed norm, a standard that is itself judged by Scripture). The purpose of the Book of Concord was to provide a clear, accurate, and binding exposition of the teachings of the Bible, not to add to it. Its reception history reflects this role. For confessional Lutherans, it is the standard by which all other teachings and teachers are judged. For other Christian denominations, such as Roman Catholics and Reformed Protestants, it is seen as a historically significant but theologically erroneous document that defines a particular branch of Protestantism. Its authority is accepted only within the churches that subscribe to it as their doctrinal foundation.

Key Themes

Key Passages

Reading Tips

The Book of Concord is a collection of historical and theological documents, not a single book to be read from start to finish. For a first-time reader, the best starting point is Luther's Small Catechism, which offers a simple, brilliant summary of the faith. Next, read the Augsburg Confession, the primary statement of Lutheran belief. After grasping these, the Large Catechism provides a more expansive pastoral treatment of the same topics. The other documents, such as the Apology of the Augsburg Confession and the Formula of Concord, are more technical and polemical, written to defend against specific criticisms or resolve internal debates. These are best approached with a good study edition or guide that can provide the necessary historical context for understanding the arguments being made.

Influence & Legacy

The Book of Concord's legacy is monumental within its tradition. It effectively ended the period of internal doctrinal chaos in post-Luther Lutheranism and created a unified theological identity that has endured for over 450 years. It became the foundation for the period of 'Lutheran Orthodoxy' in the 17th and 18th centuries, which saw the development of massive systems of theology based on its teachings. Today, it remains the confessional standard for Lutheran church bodies around the world, although the degree to which they require pastors to subscribe to it varies. It is the basis for Lutheran catechism, liturgy, and hymnody. Beyond Lutheranism, it stands as one of the most significant confessional documents of the Protestant Reformation, providing a clear and comprehensive articulation of a major branch of Christian thought and serving as a key dialogue partner for ecumenical discussions.

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