1 "The Philosophy of Mathematics The Philosophy of Mathematics" Hutchinson University Library 19621960
2 "The Philosophy of Mathematics" 1950
3 "Philosophy of Mathematics and Natural Science" Princeton Princeton University Press 1949
4 "Philosophy of Mathematics" Prentice-Hall Inc 1964
5 "Introduction to Mathematical Philosophy Plato’s Philosophy of Mathematics" Macmillan 19241955
6 "An Introduction to the Philosophy of Mathematics" Gordon & Breach Science Publisher 1965
1 "The Philosophy of Mathematics The Philosophy of Mathematics" Hutchinson University Library 19621960
2 "The Philosophy of Mathematics" 1950
3 "Philosophy of Mathematics and Natural Science" Princeton Princeton University Press 1949
4 "Philosophy of Mathematics" Prentice-Hall Inc 1964
5 "Introduction to Mathematical Philosophy Plato’s Philosophy of Mathematics" Macmillan 19241955
6 "An Introduction to the Philosophy of Mathematics" Gordon & Breach Science Publisher 1965