| 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 (not to be confused with 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
|