- IEEE Xplore extensive digital library
- Project Euclid mathematics and statistic resources
- ADS astrophysics data system
- science books online
- numdam NUMÃ©risation de Documents Anciens MathÃ©matiques

- Feynman speaks series of lectures by Richard Feynman
- AB50 talks from the workshop '50 years of the Aharonov-Bohm Effect'

- Doppler Institute ...for mathematical physics and applied mathematics
- EqWorld the world of mathematical equations
- Lenna-the complete story WARNING: the referred page contains naughty parts...