| SL | Name | Description | Access |
|---|---|---|---|
| 1. | ADS Abstract Service | The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers in astronomy and physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant. | Online |
| 2. | arXiv.org | arXiv is a free distribution service and an open-access archive for 1,777,025 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv. | Online |
| 3. | CERN Document Server | The CERN Document Server (CDS) is the institutional repository that provides acquisition, search and collaborative tools to manage collections of documents produced at CERN. The collections include HEP documents, Multimedia documents, Bulletins, Administrative (Directorate, HR, Finance) documents, EU Project documents (OpenAire, EMi), Library and Project document types. | Online |
| 4. | Historical Math Monographs | The Cornell Historic Math Monograph Collection consists of digital surrogates for materials that were part of a joint study involving Digital Preservation between Cornell University and the Xerox Corporation. | Online |
| 5. | INSPIRE: High-Energy Physical Literature Database | INSPIRE is a trusted community hub that helps researchers to share and find accurate scholarly information in high energy physics. | Online |
| 6. | The Electronic Library of Mathematics (ELibM) | The Electronic Library of Mathematics contains online journals, article collections, monographs, and other electronic resources in the field of mathematics. | Online |