State Name Sponsored by Alabama Encyclopedia of Alabama Alabama Humanities Foundation Arkansas Encyclopedia of Arkansas Central Arkansas Library System Colorado Colorado Encyclopedia History Colorado Connecticut Encyclopedia of Connecticut Biography (10 vols, 1917–23) Florida Floripedia: A Florida Encyclopedia (a collection of links to original sources, not an encyclopedia) Florida Center for Instructional Technology , University of South Florida Georgia New Georgia Encyclopedia Georgia Humanities and the University of Georgia Press Illinois Encyclopedia of Chicago Chicago History Museum Indiana Encyclopedia of Indianapolis Indianapolis Public Library Kansas Kansapedia KansasPedia.com ) Kansas Historical Society (a state agency) Kentucky The Kentucky Enciclopedia Archived 2020-08-09 at the Wayback Machine University Press of Kentucky Kentucky Encyclopedia of Louisville University Press of Kentucky Louisiana 64 Parishes (formerly Know Louisiana ) Louisiana Endowment for the Humanities Maine Maine: An Encyclopedia Publius Research Massachusetts Encyclopedia of Massachusetts, biographical—genealogical (1916) Minnesota MNopedia Minnesota Historical Society Mississippi Mississippi Encyclopedia Mississippi Humanities Council Missouri Missouri Encyclopedia State Historical Society of Missouri Nevada Online Nevada Encyclopedia Nevada Humanities New York Encyclopedia of New York State Not free; requires subscription. Available through Gale . North Carolina NCPedia State Library of North Carolina Ohio Ohio History Central (archived location) Ohio History Connection Oklahoma The Encyclopedia of Oklahoma History and Culture Oklahoma Historical Society Oregon The Oregon Encyclopedia Portland State University and the Oregon Historical Society Pennsylvania Encyclopedia of Greater Philadelphia Mid-Atlantic Regional Center for the Humanities South Carolina South Carolina Encyclopedia "A joint project of South Carolina Humanities , the University of South Carolina Press , the USC Libraries , the USC Center for Digital Humanities , the USC College of Arts & Sciences , the USC Institute for Southern Studies , the South Carolina State Library , and many other organizations." Tennessee Tennessee Encyclopedia Tennessee Historical Society – University of Tennessee Press Texas Handbook of Texas Texas State Historical Association Virginia Encyclopedia Virginia Virginia Foundation for the Humanities and Library of Virginia (formerly the Virginia State Library) Virginia Encyclopedia of Virginia Biography (1915) Arranged by time period and office held, not alphabetically. Washington HistoryLink HistoryLink , 4Culture , King County, Washington , Seattle Office of Arts & Culture, The Norcliffe Foundation West Virginia e-WV: The West Virginia Encyclopedia West Virginia Humanities Council Wyoming Encyclopedia of Wyoming Wyoming State Historical Society 