As I have not browsed each and every site, I cannot endorse all of the content, but I trust that you will find some very good information that will be very useful in study.

Creation Research
(Interesting and Informative)

Center for Scientific Creation
(Very Interesting and Informative Site)

The C. H. Spurgeon Archive

The Trail of Blood
J. M. Carroll

The Waldenses

Christian  Book Distributors

Fox's Book of Martyr's