Columbia subject headings:
Animal industry--Moral and ethical aspects--Congresses.
Animal welfare--Congresses.
Medical ethics--Congresses.
Teutsch, Gotthard M. (Gotthard Martin)
Veterinary medicine--Philosophy--Congresses.
Zoo animals--Congresses.
Harvard subject headings:
Animal welfare--Moral and ethical aspects.
Environmental ethics.
Human-animal relationships--Moral and ethical aspects.
Princeton subject headings:
Animal industry--Moral and ethical aspects--Congresses.
Animal welfare--Congresses.
Medical ethics--Congresses.
Teutsch, Gotthard M. (Gotthard Martin)
Veterinary medicine--Philosophy--Congresses.