1830s Log House Museum
1859 Jail, Marshals Home and Museum
Alexander Majors Historical Foundation
Arabia Steamboat Museum
Basehor Historical Society
Belton Historical Society
Ben Ferrel Platte County 1882 Museum and Library
Benjamin Ranch West
Bingham-Waggoner Estate
Blue Springs Historical Society
Carroll Mansion
Cass County (Missouri) Historical Society
Chicago Alton Hotel
Chicago and Alton Railroad Depot
Chouteau Society
Claybrook Historic Home
Clay County (Missouri) Museum and Historical Society
Clinton County (Missouri)Historical Society
Daughters of Old Westport
Elmwood Cemetery
Excelsior Springs (Missouri) Historical Museum
Fort Leavenworth
Fort Osage Historical Society
Fort Osage Museum
Fort Osage National Historic Landmark
Friends of the Chicago and Alton Railroad Depot
Friends of the Jesse James Farm
Friends of the National Frontier Trails Center
Frontier Army Museum
Grandview (Missouri) Historical Society
Grassland Heritage Foundation
Grinter Place State Historic Site
Harris-Kearney House
Harvey J. Higgins Historical Society
Heart of America Indian Center
Heritage Commission of Independence
Heritage League of Greater Kansas City
The Higginsville Depot
Historic Kansas City Foundation
Historic Preservation Commission of Blue Springs
Historic Preservation Directory
Hyde Park Neighborhood Association
Jackson County (Missouri) Historical Society’s Archives & Research Library
Jesse James Bank Museum
Jesse James Farm Museum
Johnson County (Kansas) Library, Kansas Room
John Wornall House Museum
Kansas City Area Archivists
Kansas City Historic Trails Association
Kansas City Posse of the Westerners
Kansas Geological Survey Library
Kansas State Historical Society
Kaw Valley Heritage Alliance
Lafayette County (Missouri) Historical Society
Landmarks Commission of Kansas City, Kansas
Lanesfield School Historic Site
Leavenworth County (Kansas) Historical Society and Museum
Leavenworth (Kansas) Historical Museum Association
Liberty (Missouri) Jail Historic Site
Liberty Preservation and Development Commission
Line Creek Archaelogy Museum
Longview Farm Mansion and Show Horse Stable
Missouri Historical Society [St. Louis]
Missouri Mormon Frontier Foundation
Missouri State Archives
National Frontier Trails Center
Native Sons of Kansas City at Kansas City Public Library
Native Sons of Kansas City at Western Historical Manuscripts
Olathe (Kansas) Public Library
Old Shawnee Town
Oregon-California Trails Association Headquarters
Oregon-California Trails Association--Trails Head Chapter
Parkville (Missouri) Local Historical Committee
Patee House Museum
Platte County (Missouri) Historical and Genealogical Society
Pleasant Hill Historical Society Museum
Pony Express Historical Association
Pony Express National Memorial
Price-Loyles House Museum
Raytown Historical Society & Museum
Rice-Tremonti Home
St. Joseph Museum
Santa Fe Trails Association
Shawnee Indian Mission State Historic Site
Shawnee Mission Indian Historical Society
Smoky Hill Railway Museum and Historical Society
State Historical Society of Missouri (Columbia)
Strawberry Hill Museum and Cultural Center
Trading Post Museum and Historical Society
Vaile Victorian Mansion
Watkins Woolen Mill State Historic Site
Weston Historical Museum
Westport Historical Society
William Marra Museum—Kansas State School for the Deaf
Wyandotte County (Kansas) Historical Society and Museum