Preprints archives
| Probability Abstract Service | There |
| Mathematical Physics Preprint Archive (mp-arc) |
USA, Switzerland, Spain
Most recent preprints: USA, Switzerland,Spain |
| ArXiv |
USA, Italy, Germany, France, UK, Israel or Spain
Nicer front-end |
| Hyper Articles on Line | HAL |
| ESI Preprints | There |
Lecture notes, theses, etc.
| Cours en Ligne (lecture notes) | CEL |
| Thèses en Ligne (PhD theses) | TEL |
| MathOnline (lecture notes) | There |
| MIT OpenCourseWare (lecture notes) | Mathematics, Physics |