1. Aigner M. (1979]: Combinatorial Theory. Springer.
2. Alexanderson G. [2000]: The Random Walks of George Polya. Washington, D.C.: The Mathematical Association of America.
3. ON THE RELATIONSHIP BETWEEN PLANE AND SOLID GEOMETRY
4. Bengson J. , and Moffett M. [2011]: Knowing How: Essays on Knowledge, Mind, and Action. Oxford University Press.
5. 1988 Steele prizes awarded at centennial celebration in Providence;Blattner;Notices of the American Mathematical Society,1988