Other sites
- arXiv.org
- Physical Review Online Archive
- ACM Digital Library
- Electronic Library of Mathematics
- IOPscience Extra 2012 Consortium
- HAL - Hyper Article on Line
- Electronic Mathematics Archives Network Initiative
- Polish Mathematical Virtual Library
- Wirtualna Biblioteka Nauki
- Mathematics Preprint Server
- Historical Math Monographs
- Museum of Mathematics
- European Mathematical Information Service
