The way of words. An informal logic
Boston (Mass.) 1976. 437 S.
Logic without metaphysics
Glencoe (Ill.) 1956. 433 S.
Deductive forms. An elementary logic
New York 1967. 407 S.
Elementary logic of science and mathematics
London 1967. 371 S.
Informal logic
New York 1984. 429 S.
Logic, the art of defining and reasoning
New York 1954. 232 S.
Philosophical reasoning
New York 1962. 149 S.
Principles of correct thinking
London 1937. 321 S.
Predicate logic
Englewood Cliffs (N.J.) 1976. 205 S.
A logical introduction to philosophy
Englewood Cliffs (N.J.) 1989. 264 S.