More by George Pólya
How to Solve It
Mathematics and Plausible Reasoning
Problems and Theorems in Analysis
Mathematical Methods in Science
Notes on Introductory Combinatorics
George Pólya - Collected Papers Singularities of Analytic Functions
Collected Papers, Vol. 4: Probability / Combinatorics / Teaching and Learning in Mathematics (Mathematicians of Our Time) (English, French and German Edition)
Induction and Analogy in Mathematics
How To Solve It: A New Aspect of Mathematical Method