Columbia subject headings:
Mammals--Behavior--Congresses.
Mammals--Physiology--Congresses.
Smell--Congresses.
Harvard subject headings:
Mammals--Behavior--Congresses
Mammals--Physiology--Congresses.
Odors--Congresses.
Smell--Congresses.
Princeton subject headings:
Mammals--Behavior--Congresses.
Sense organs--Mammals--Congresses.
Smell--Congresses.