Cyndi's List - United States - New York - Counties - Jefferson

Adams Center Free Library
Adams Free Library
Carthage Free Library
Dexter Free Library
FamilySearch - FamilySearch Center Locator: Jefferson County

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FamilySearch Catalog
Flower Memorial Library - Genealogy Department

Watertown.
Hawn Memorial Library

Clayton.
Henderson Free Library
MacSherry Library

Alexandria Bay.
Mannsville Free Library
Northern New York Library Network

Home of the Northern New York Historical Newspapers project, including Potsdam, Canton, Malone, Elizabethtown, Fulton and others. Full newspapers with search engine. Some cover 50 years or more. Also, the North Country Digital History projects.
- North Country Digital History
  
  A cooperative enterprise of sixteen organizations to give digital access to important collections housed in libraries, archives, historical document repositories, museums, and galleries throughout Northern New York. Includes photographs, oral histories, postcards, scrapbooks, pamphlets, musical scores, newsletters, yearbooks, and similar materials.
- Northern New York Library Network Directory of Archival and Historical Document Collections Available for Public Use
  
  For Jefferson county.
  - Appendix: County, Town and Village Clerks
Stone Mills Museum

LaFargeville. Home of the Northern New York Agricultural Historical Society.
Theresa Free Library

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