Political Graveyard: Cortland County - Information on the political history, cemeteries and memorial sites in the county. - http://politicalgraveyard.com/geo/NY/CR.html
RootsWeb Message Boards - Cortland County - Genealogy message board allows users to post and read tips, information, and assistance as part of a community of researchers. - http://boards.ancestry.com/mbexec?htx=board&r=rw&p=localities.northam.usa.states.newyork.counties.cortland
Cortland County GenWeb Page - Links and information for genealogy and history research. - http://www.rootsweb.com/~nycortla/