zebo Britannica Academic (formally Encyclopædia Britannica Online)
zbds:pubk12 EBSCO Discovery Service (High School)
zbds:usg EBSCO Discovery Service (Scholar View)
zncd Georgia Code
zncs Georgia Corporate Search (records of Georgia Secretary of State)
znah Georgia Department of Archives & History
ghna Georgia Historic Newspapers Archive
sreg Georgia Official and Statistical Register: "Georgia's Blue Book"
tigh Today in Georgia History
voyg Voyages: The Trans-Atlantic Slave Trade Database