The Apology of the Augsburg Confession by Philip Melanchthon 1531 (searchable PDF)

The Augsburg Confession (searchable PDF)

The Westminster Confession of Faith: with Introduction and Notes 1881

The Creeds of Christendom: with a History and Critical Notes Volume 1 [1878] by Philip Schaff

The Creeds of Christendom: with a History and Critical Notes Volume 2 by Philip Schaff

The Creeds of Christendom: with a History and Critical Notes Volume 3 by Philip Schaff

Creeds or no creeds? A Critical Examination of the Basis of Modernism by Charles Harris 1922

The credal statements of St. Patrick as contained in the fourth chapter of his Confession

Notes on the Canons of the First Four General Councils by William Bright

The Ecumenical Councils (1900) by William DuBose 

The Large Catechism by Dr. Martin Luther (searchable PDF)

The Small Catechism of Martin Luther

The Articles of the Synod of Dort (1856) by Thomas Scott

Some account of the Council of Nicea, in connexion with the life of Athanasius by John Kaye 1853

The Nicene Creed by A. E. Burn 1909

A Short Explanation of the Nicene Creed, for the use of Persons Beginning the Study of Theology by A.P. Forbes 1852

The Nicene and Apostles' Creeds: their Literary History: together with an account of the growth and reception of the sermon on the faith, commonly called "The Creed of St. Athanasius" by C.A. Swainson 1875

The Heidelberg catechism, specially arranged and adapted for use in Sunday schools and catechetical classes 1889

Expository lectures on the Heidelberg catechism (1864) Volume 1

Expository lectures on the Heidelberg catechism (1864) Volume 2

A full catechism of the Catholic Religion (1889) by Joseph DeHarbe

Baltimore Catechisms (searchable PDF's)

Fundamentals of the Christian Religion by Samuel Follett Halfyard 1911

History of the French Protestant Refugees, from the Revocation of the Edict of Nantes to our own Days 1854 by Charles Weiss Volume 1

History of the French Protestant Refugees, from the Revocation of the Edict of Nantes to our own Days 1854 by Charles Weiss Volume 2

Congregational Creeds and Covenants 1917 by William Barton

Pagan and Christian Creeds - Their Origin and Meaning by Edward Carpenter 1921

The Devotions of Saint Anselm, Archbishop of Canterbury 1903

Free: The Rule of Saint Benedict- a Commentary

Mennonite Articles of Faith as set forth in Public Confession of the Church 1904

Documents relating to the settlement of the Church of England by the Act of Uniformity of 1662 (1862)

Eutaxia - The Presbyterian Liturgies 1855

The Chalcedonian Decree; or, Historical Christianity, misrepresented by modern theology, confirmed by modern science, and untouched by modern criticism by John Fulton 1892

The Articles of Faith: A Series of Lectures on the Principle Doctrines of the Church of Latter Day Saints by by James Edward Talmage 1899