- Cynthiana Harrison County Public Library
- Offers information on services, policies, programs, online catalog, events, fees, and exhibits.
- Harrison County
- Official site with information about county government, services, officials, departments, agencies, commissions, and events.
- Harrison County Schools
- Describes the district, and provides information on schools, administration, staff, classrooms, employment, and events.
- Harrison Memorial Hospital
- A full-service regional medical center. Offers details of services, physicians, and employment. Located in Cynthiana.
- National Association of Counties: Harrison County, KY
- Presents information about the county population, demographic and census data, and list of elected officials.
- National Register of Historical Places: Harrison County, Kentucky
- Provides general information about the historical places and districts in the county. Data about the owner, function, significance, builder, and address.
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