On being human. Principles of ethics
New York 1978. 151 S.
The moral life and the ethical life
Chicago (Ill.) 1950. 390 S.
An essay on deontic logic and the general theory of action
Helsinki 1968. 110 S.
Norm and action
New York 1963. 214 S.
The varieties of goodness
New York 1963. 222 S.
The good and the realm of values
Notre Dame (Ind.) 1978. 259 S.
Morality and language
Totowa (N.J.) 1983. 217 S.
The object of morality
London 1971. 168 S.
The language of ethics
Cambridge (England) 1961. 328 S.
Morals and ethics
Englewood Cliffs (N.J.) 1988. 314 S.