Basic philosophical analysis
Belmont (Calif.) 1971. 487 S.
A realistic philosophy
New York 1962. 272 S.
Essays in philosophical analysis
Pittsburgh (Pa.) 1969. 430 S.
Ongoing journey
Lanham (Md.) 1986. 231 S.
A new approach to philosophy
Lebanon (Tenn.) 1943. 169 S.
Philosophy
Dordrecht 1972. 258 S.
The questions of philosophy
Belmont (Calif.) 1988. 523 S.
Investigating philosophy
London 1987. 492 S.
An outline of philosophy
London 1979. 247 S.
Philosophy
New York 1927. 307 S.