Georgia Archives
Georgia Historical Society
Georgia Records Association
Georgia State University Library
Georgia Superior Court Clerk's Cooperative Authority (for information on Clerks of the Superior Court and Georgia deed records)
Hightower Memorial Library
McIntosh Trail Regional Development Center
Ocmulgee Archaeological Society
Society of Georgia Archivists
Thomaston Chamber of Commerce
Thomaston-Upson Recreation Department
Upson County, GAGenWeb Project
Upson County Maps as well as maps of other Georgia Counties
Upson County Tax Assessors Office
Upson Historical Society