- A Geophysical Investigation of the Old Velasco Site, Surfside Beach, Brazoria County – by Jeremy W Pye, PhD, Contributor Chris Kneupper
- Chronological and Archaeological History of the Forts Velasco – By Chris Kneupper, April 2020
- The Old Three Hundred in Brazoria County – By Neal McLain August 2009 (Rev. 2015)
- U. S. Public Land Survey System: The Rectangular Grid – By Neal McLain December 2009
- U. S. Public Land Survey System: Forty Acres – By Neal McLain February 2010
- The Texas version of the U. S. Public Land Survey System – By Neal McLain March 2010
- Levi-Jordan-Plantation-State-Historic-Site.pdf – By Neal McLain November 2015