List of online encyclopedias of U.S. states


All except one are free and deal with a state of the United States.
StateNameSponsored by
AlabamaEncyclopedia of AlabamaAlabama Humanities Foundation
ArkansasEncyclopedia of ArkansasCentral Arkansas Library System
ColoradoHistory Colorado
Connecticut -
Florida Florida Center for Instructional Technology, University of South Florida
GeorgiaNew Georgia EncyclopediaGeorgia Humanities and the University of Georgia Press
IllinoisChicago History Museum
IndianaIndianapolis Public Library
Kansas Kansas Historical Society
Kentucky University Press of Kentucky
KentuckyUniversity Press of Kentucky
Louisiana Louisiana Endowment for the Humanities
MainePublius Research
Massachusetts
MinnesotaMNopediaMinnesota Historical Society
MississippiMississippi Humanities Council
MissouriState Historical Society of Missouri
NevadaNevada Humanities
New YorkNot free; requires subscription. Available through Gale.
North CarolinaState Library of North Carolina
Ohio Ohio History Connection
OklahomaOklahoma Historical Society
OregonThe Oregon EncyclopediaPortland State University and the Oregon Historical Society
PennsylvaniaMid-Atlantic Regional Center for the Humanities
South Carolina"A joint project of South Carolina Humanities, the University of South Carolina Press, the USC Libraries, the, the, the, the, and many other organizations."
TennesseeTennessee EncyclopediaTennessee Historical Society – University of Tennessee Press
TexasHandbook of TexasTexas State Historical Association
VirginiaEncyclopedia VirginiaVirginia Foundation for the Humanities and Library of Virginia
Virginia Arranged by time period and office held, not alphabetically.
WashingtonHistoryLinkHistoryLink, 4Culture, King County, Washington, Seattle Office of Arts & Culture, The Norcliffe Foundation
West VirginiaWest Virginia Humanities Council
WyomingWyoming State Historical Society