Columbia subject headings:
Cayuga County (N.Y.)--Economic conditions.
Cortland County (N.Y.)--Economic conditions.
Madison County (N.Y.)--Economic conditions.
Onondaga County (N.Y.)--Economic conditions.
Oswego County (N.Y.)--Economic conditions.
Harvard subject headings:
Cayuga County (N.Y.)--Economic conditions.
Cortland County (N.Y.)--Economic conditions.
Madison County (N.Y.)--Economic conditions.
Onondaga County (N.Y.)--Economic conditions.
Oswego County (N.Y.)--Economic conditions.
Princeton subject headings: