1. How Mathematicians Think;Byers,2007
2. The First Six Books of the Elements of Euclid in Which Coloured Diagrams and Symbols Are Used Instead of Letters for the Greater Ease of Learners;Byrne,1847
3. A Mathematical Introduction to Logic;Enderton,2001
4. Ideas and Opinions;Einstein,1982
5. Across the Frontiers;Heisenberg,1990