Columbia subject headings:
Harvard subject headings:
Human beings
Human beings--Animal nature
Human beings--Philosophy.
Human-animal relationships--History
Human-animal relationships--Philosophy.
Philosophical anthropology.
Psychology, Comparative.
Social status--Public opinion--History.
Princeton subject headings:
Human beings--Animal nature.
Human-animal relationships--History.
Social psychology--History.
Social status--Public opinion--History.
Social values--History.