From those preaching the Gospel and Baptism in Jesus name

Always there have been real followers of Jesus who only worshipped his One God, the God of Israel. Many centuries they worked and preached behind closed doors, avoiding persecution and death on the balefire. In fear of the stake for centuries the real followers of God baptised people in their faith, not demanding to be part of one or another church but being part of the Body of Christ.

A Book to trust #10 Archaeology confirming or denying claims of the Bible #1 Old Testament

Since the 19th century the people who very suspicious because they did not see historical evidence could find one city after another, one civilization after another, one culture after another being found and restored to their proper places in ancient history by the studies of archaeologists and Bible scholars like Botta, Layard, Wellhausen, Winckler, Taylor, Archer a.o..