Columbia subject headings:
Folivores--Ecology--Tropics--Congresses.
Forest ecology--Congresses.
Leaves--Congresses.
Mammals--Ecology--Congresses.
Mammals--Food--Congresses.
Harvard subject headings:
Folivores--Ecology--Tropics--Congresses.
Forest ecology--Congresses
Leaves--Congresses.
Mammals--Ecology--Congresses.
Mammals--Food--Congresses.
Princeton subject headings: