zebo Britannica Academic (formally Encyclopædia Britannica Online)
zebk Britannica School Elementary
zbds:pubk12 EBSCO Discovery Service (High School)
zbds:usg EBSCO Discovery Service (Scholar View)
zbft EBSCO Full Text Finder
gpbe GPB Educational Resources (Georgia Public Broadcasting)
zbhn Health Source: Nursing / Academic Edition
nar1 National Archives (The U.S. National Archives and Records Administration)
nhda National History Day
zbpv Points of View Reference Source