"BJ1335 .W33 1996" . "33442348" . . "ISBN 0-674-35660-8" . . "Good Natured: The Origins of Right and Wrong in Humans and Other Animals"@en . . "296"^^ . . . "Good Natured is a book by primatologist Frans de Waal on animal behavior and the evolution of ethics."@en . "599/.052/4 20" .