Columbia subject headings:
Ethics, Modern--20th century.
Ethics.
Sartre, Jean-Paul, 1905-1980.
Harvard subject headings:
Ethics, Modern--20th century.
Sartre, Jean-Paul, 1905-1980--Contributions in ethics.
Sartre, Jean-Paul, 1905-1980--Ethics.
Princeton subject headings:
Ethics, Modern--20th century.
Sartre, Jean-Paul, 1905-1980.