The Bible Sabbath Association (BSA) provides free resources to build your faith!
Below, we have links to an assortment of faith-building materials.
Links to Pages on the Sabbath:
Quotes of Sabbath Keeping in the 300s and 400s AD
Links to Free Booklets:
Sabbath and Sunday Laws in the Roman Empire (2nd Edition)
Prevalence of the Sabbath in the Early Roman Empire (1st Edition)
Free Articles about Constantine: