Logic. An introductory course
London 1985. 230 S.
An introduction to traditional logic
Frankfurt am Main 1982. 164 S.
The fundamentals of modern logic: a contemporary introduction
Dubuque (Iowa) 1977. 148 S.
Introduction to symbolic logic
New York 1969. 241 S.
First steps in modal logic
New York 1994. 314 S.
Introduction to logic
Upper Saddle River (N.J.) 1998. 259 S.
Logical thinking
New York 1972. 157 S.
Logic for philosphers
New York 1971. 419 S.
Elementary logic
New York 1965. 129 S.
Elements of symbolic logic
New York 1947. 444 S.