Scripture references are KJV. Many of these books can be downloaded free, from [http://www.archive.org www.archive.org]:-
* [http://www.archive.org/details/lutherssmallcate00luth_0 Evangelical Lutheran synod of Pennsylvania and the adjacent states (1868), "Luther's Small Catechism explained in Questions and Answers"]
* [http://www.godonthe.net/evidence/apostle.htm www.godonthe.net/evidence/apostle.htm]
* [http://www.baptistboard.com/archive/index.php/t-28938.html www.baptistboard.com/archive/index.php/t-28938.html]
* [https://archive.org/details/humbleadviceofas200west Westminster Assembly (1658) the Westminster Confession and Larger Catechism].
* [https://archive.org/details/worksofjohnbunya02buny Bunyan J "Some Gospel truths opened according to the Scriptures" (p129) and "A vindication of Gospel truths opened according to the Scriptures" (p177), in Offor G "Works of John Bunyan", vol2.]
* [http://www.baptistboard.com/archive/index.php/t-28938.html www.baptistboard.com/archive/index.php/t-28938.html]
* [http://www.godonthe.net/evidence/apostle.htm www.godonthe.net/evidence/apostle.htm]
* Gary R. Habermas, “Why I Believe the New Testament is Historically Reliable,” in Why I am a Christian: Leading Thinkers Explain Why they Believe, edited by Norman L. Geisler and Paul K. Hoffman (Grand Rapids: Baker Books, 2001), Chapter 9. May be available on the web for free download.