Columbia subject headings:
Collective settlements--New York (State)--Ithica.
Sustainable development--New York (State)--Ithica.
Harvard subject headings:
Collective settlements--New York (State)--Ithaca.
Community development--Environmental aspects--New York (State)--Ithaca.
Land use, Rural--Environmental aspects--New York (State)--Ithaca.
Sustainable development--New York (State)--Ithaca.
Princeton subject headings:
Collective settlements--New York (State)--Ithica.
Sustainable development--New York (State)--Ithica.