Special Collections, Feinberg Library - The collection focuses on the northern New York State counties of Clinton, Essex, and Franklin, and the Adirondack and Champlain Valley regions.
Clinton County Historical Association - The Clinton County Historical Association is dedicated to preserving Clinton County's heritage. The Association reveals the way County's inhabitants lived and worked for over three hundred years.
Northern New York American-Canadian Geneological Society - The societies library houses many church records from the local area along with hundreds of Canadian records. Included are Baptism, Marriage and Death records.
Clinton County Clerk, Plattsburgh, N.Y. - Contains many legal documents from the county including Deeds, Maps, Probate Records, Wills, Court Records, etc.
Clinton County Historian - Designed to collect, record, and preserve the history of Clinton County, the Historian’s Office maintains archival holdings for virtually every facet of the county’s history.
Town of Plattsburgh Historian
City of Plattsburgh Historian