3 Similar Sites like Sabbatarian.com

Catholicism and Adventism – Discussing Seventh-day Adventism from a Catholic and biblical perspective, and then just some other stuff too theotokos.co.za

FOS | Friends of Sabbath friendsofsabbath.org

This site is dedicated to Church of God historians, Richard C Nickels & Herman L Hoeh And Church of God pioneers, Andrew N Dugger & Greenberry G Rupert (Isaiah 58:12)

Sabbatarian Anabaptists sabbatarian-anabaptists.org

But in seeking first the kingdom of God, the three-centuries-long quietness of 8th-day Anabaptists will be abandoned and replaced by the enthusiasm of their Sabbatarian ancestors, which will necessarily cause more confrontational positions to be taken against the heresies of the Old Church, or the Reformed Church, and of Arian Christendom.