Helpful LinksAdditional Resources & Organizations Check out the following organizations for more local history resources. Olathe Public Library Mahaffie Stagecoach Stop & Farm Historic Site Kansas Historical Society Olathe Historic Preservation Board Olathe School District Alumni Association Kansas City Area Historic Trails Association Freedom's Frontier National Heritage Area Johnson County Kansas Heritage Foundation De Soto Museum Gardner Historical Museum, Inc. Leawood Historic Commission Lenexa Historical Society Mid-America Nazarene University: Marge Smith Archives Missouri River Outfitters (SFTA Chapter) Monticello Community Historic Society The Museum of Deaf History, Arts and Culture Overland Park Historical Society Shawnee Mission Indian Historical Society Stilwell Community Organization, Inc. Trails Head (OCTA Chapter)