These definitions came from McClintock & Strong's Cyclopedia and were compared with definitions found in divers places.

Creed- a formal statement of Christian beliefs, especially the Apostles' Creed or the Nicene Creed.

Confession- a collection of the articles of belief of any Church.

Catechism- (in the ecclesiastical sense), a book of Christian instruction, put forth under the authority of the Church, for the oral instruction of children and proselytes. Generally, at the present day, the Catechism is in the form of question and answer.

Catechisms

Catechism of the Waldenses (Pdf)

The Larger Catechism by Martin Luther 1529 (Pdf)

The Small Catechism by Martin Luther 1529 (Pdf)

The Catechism of the Church of Geneva by John Calvin 1545 (Pdf)

The Heidelberg Catechism 1563 (Pdf)

The Westminster Larger Catechism 1647 (Pdf) Put in Scripture proofs when I have time

The Westminster Shorter Catechism: Scripture proofs 1649 (Pdf)

A Catechisme for Babes, or, Little Ones by H. Jessey 1652 (Pdf)

A Short Catechism About Baptism by John Tombes 1659 (Pdf)

Instruction for the ignorant , John Bunyan's Catechism 1675 (Pdf)

The Baptist Catechism-Keach's Catechism 1677 (Pdf)

The Orthodox Catechism 1680 (Pdf)

The 1695 Baptist Catechism (Pdf)

The Philadelphia Baptist Catechism 1742 (Pdf)

A Catechism for Girls and Boys 1798 (Pdf)

Gadsby's Catechism 1800 (Pdf)

A Catechism or Instructions for Children & Youth 1810 (Pdf)

The Baptist Catechism-Charleston Association of 1813 (Pdf)

Baptist Scriptural Catechism by Henry Clay Fish, D. D. 1850 (Pdf)

A Puritan Catechism with Proofs Compiled by C. H. Spurgeon 1855 (Pdf)

A Brief Catechism of Bible Doctrine by James P. Boyce, D. D. About 1872 (Pdf)

A Catechism of Bible Teaching by John Broadus 1892 (Pdf)

A Collection of Baptist Catechisms (Pdf)

A Baptist Catechism — with Commentary from John Piper (Pdf)

The Baptist Larger Catechism (Pdf)

Confessions

The Schleitheim Confession, 1527 (Anabaptist Confession) (Pdf)

Anabaptist Confessions of Faith (Pdf)

The Augsburg Confession by Philip Melanchthon 1530 (Pdf)

The Second Helvitic Confession 1564 (Pdf)

The Scots Confession of 1560 (Pdf)

The Belgic Confession 1561 (Pdf)

Thirty Nine Articles of Religion (Pdf)

The Irish Articles of Religion  A.D. 1615

John Spilsbury and His Confession (Pdf)

Early English Baptist Associational Confessions (Pdf)

English Baptist General Confessions (Pdf)

English Baptist Separatists Confessions (Pdf)

London Baptist Confession of 1644 (Pdf)

The First London Baptist Confession of Faith 1646 Edition (Pdf)

An Appendix to a Confession of Faith, Benjamin Cox 1646 (Pdf)

The Westminster Confession of Faith 1647 (Pdf) (Online Version)

Westminster Confession of Faith on Audio

The Faith and Practice of Thirty Congregations 1651 (Pdf)

The True Gospel Faith Declared According to the Scriptures 1654 (Pdf)

Midland Confession of Faith 1655 (Pdf)

The Somerset Confession of Faith 1656 (Pdf)

The Savoy Declaration of Faith and Order 1658 (Pdf)

The 1677/89 Second London Baptist Confession (Pdf) (Online version)

1677/89 London Baptist Confession Mp3's

Principles of Faith of the Sandy Creek Association (Pdf)

The Philadelphia Confession 1742 (Pdf)

Carter Lane Declaration of Faith 1757 (Pdf)

1833 New Hampshire Confession (Pdf)

The Abstract of Principles at adoption of charter by Southern Baptist Theological Seminary 1858 (Pdf)

The Fulton Confession of 1900 (Pdf)

American Baptist Confessions (Pdf)

A Tabular Comparison of the 1646 WCF and the 1689 LBCF

A Tabular Comparison of the 1646 Westminster Confession of Faith, the 1658 Savoy Declaration of Faith, the 1677/1689 London Baptist Confession of Faith and the 1742 Philadelpha Confession of Faith

Baptists Confessions of Faith by W. J McGlothlin (Pdf) File contains scanned copy of book 18.8 Mb's

What Baptists Believe: The New Hampshire Confession-An Exposition by O. C. S. Wallace or here (Pdf) Second link scanned copy

Councils

The Definition of the Council of Chalcedon 451 (Pdf)

The Canons of the Council of Chalcedon 451 (Pdf)

Council of Orange 529 (Pdf)

The Canons of Dordt 1618-1619 (Pdf)

Creeds

Apostles Creed (Pdf)

Nicene Creed (Pdf)

The Anthanasian Creed (Pdf)

Various Creeds of the Church

More Creeds, Confessions, & Catechisms

Historic Baptist Documents

Historic Baptist Documents

Historic Church Documents

Other

The American Colonist's Library - A TREASURY OF PRIMARY DOCUMENTS

The Cambridge Declaration (Pdf)

The Chicago Statement on Biblical Inerrancy (Pdf)

The Ligonier Statement on Christology

The 95 Theses (Pdf)

The Smalcald Articles-Luther 1537 (Pdf)

The TABLE-TALK of Martin Luther (Pdf)

The Origin and Formation of the Westminster Confession of Faith (Pdf)

Recently Discovered Memoranda of the Westminster Assembly (Pdf)

Articles defending the use of creeds, confessions, & catechisms

What is Catechism? by Zacharias Ursinus (Pdf)

What’s the Difference Between Creeds, Confessions, Catechisms, and Councils? by Jeremy Bouma

Creeds, Confessions, Catechisms, and Covenants in Corporate Worship by Jake Stone

Biblical and Pastoral Basis for Creeds and Confessions by Robert S. Rayburn

The Biblical and Logical Necessity of Uninspired Creeds

Baptists, the Bible and Confessions – The Need for Statements of Faith by Gregory A. Wills

Choosing & Using a Confession of Faith: Some Biblical and Theological Guidelines

The Legitimacy and Use of Confessions of Faith by Dr. Robert Paul Martin

Sam Waldron 1689 Baptist Confession and its Orthodoxy

The Integrity of Words and Our Confession of Faith by R. Albert Mohler, Jr.

Dr. Trueman on the Creedal Imperative

Confessing the Faith in 1644 and 1689 by Pastor James M. Renihan

English Separatist-Baptist Confessions

A Case for Robust Confessions of Faith in the Churches Tom Hicks

Baptist Confession Making 1644 and 1689 by Robert W. Oliver- A Paper read to the Strict Baptist Historical Society 17th March 1989 (Pdf)

6 Reasons Catechisms Make Truth Stick by Zach Barnhart 

An Encouragement to Use Catechisms by Tom J. Nettles (Pdf)

Why I (Still) Teach Catechism Class by Paul Carter

What Is “Full Subscription?” Submitted by Dr. James M. Renihan (Pdf)

On the Need for and Practice of Confessing the Faith

Biblical Support for Creeds, Confessions, and Statements of Faith by Jon English Lee 

What are creeds and confessions? by Paul Helm

Six Ways a Church Should Use a Confession of Faith by Jeff Robinson

Confessions of Faith Help Us Obey Biblical Mandates by Tom Nettles

Ligon Duncan on Why ‘No Creed But the Bible’ Is a Lousy Creed

The Utility and Importance of Creeds and Confessions by Samuel Miller (Pdf)

The Synod of Dort by W. Robert Godfrey

A Case For Explicit Creedalism: Meaningful Togetherness Is Impossible Without It By Randall Klynsma (and Rev. David Fagrey) (Pdf)

The Complete Gospel: Biblical Faith as Summarized in the Creeds of the Early Church and the Heidelberg Catechism by Randall Klynsma

The Noble New Hampshire Confession by Tom Nettles

The Content of the Noble New Hampshire Confession (Part 1) by Tom Nettles