Clinton County Historical Society - Based in Lock Haven. Provides a history of the society, event and membership details, and a virtual tour of the Heisey Museum. - http://www.clintoncountyhistory.com/
Clinton County Geneological Information - Affiliated with the PAGenWeb and USGenWeb projects this site provides resources for history and genealogy research. - http://www.kcnet.org/~history/
Clinton County Genealogical Society - Genealogical information. Includes information on meetings, memberships, publications and resources. - http://www.clintoncogensociety.org/