Victor Streff has compiled a very extensive and accurate book on the descendants of Johann Streff and Barbara Bartel.
Another extensively researched genealogy, focusing mainly on the descendants of Andrew Jackson Turnbo.
A site that focuses on the descendents of Elijah Averett. It mostly contains information on
his children of his second wife, but is useful nonetheless.
This site contains information about the descendents of several Toliver/Tolliver individuals, including
one of my ancestor John Henry Toliver Sr.