The diversity of moral thinking
Oxford 1981. 303 S.
Wisdom, intuition and ethics
Brookfield (Vt.) 1999. 346 S.
The ethics of ambiguity
New York 1948. 163 S.
A coherence theory in ethics
Amsterdam 1994. 270 S.
Moral scepticism
Basingstoke (Hampshire) 1991. 137 S.
The moral prism
London 1979. 173 S.
Morality without law
Cleveland (Ohio) 1969. 150 S.
Second thoughts in moral philosophy
London 1959. 190 S.
Right and reason. Ethics in theory and practice
St. Louis (Mo.) 1967. 504 S.
Moral philosophy. Theories, skills and applications
Englewood Cliffs (N.J.) 1990. 345 S.