References
- Introduction to Mathematical Philosophy Russel, Bertrand
- Plato's Philosophy of mathematics Wedberg, Anders
- Mathematical Thougth: An Introduction to the Philosophy of Mathematics Beth, E. W.
- The Philosophy of Mathematics: An Introduction Stephan, K.
- The Philosophy of Mathematics Maziarz, E. A.
- The Philosophy of Mathematics Korner, S.
- Philosophy of Mathematics Barker, S. F.
- Philosophy of Mathematics and Natural Science? Weyl, Hermann
- Introduction to Mathematical Philosophy Russell, Bertrand