| Federated/Common Search Engines | Subject Gateway |
| JCCC | Cogprints | |
| Knimbus | E-Print Network | |
| Reference & Citation Sources | India Environment Portal | |
| Chicago Manual of Style | Infomine | |
| Credo reference | Pinakes: A Subject Launchpad | |
| Encyclopedia Britannica | Voice of the shuttle | |
| Bibliographic Sources | WWW Virtual Library | |
| SciFinder Scholar | | |
| Citation Analysis Resources | | |
| Scopus | Electronic journals | |
| Web of Science (Through N-List Program) | Bioline International | |
| Full Text Sources | BioMed central | |
| Annual Reviews | Directory of Open Access Journals | |
| Cambridge University Press | High Wire Press | |
| Environment and History | Indian Academy of Science | |
| Indian Journal. Com | Public Library of Science | |
| J-STOR | Strategian | |
| Nature | | |
| Oxford University Press + Archive | | |
| Portland Press | Electronic Books | |
| Project Muse | Free Books | |
| Sage Journal Online | Internet Public Library | |
| Science Direct | The Online Book page | |
| Science Magazine | Miscellaneous Electronic Resources | |
| Springer Link + Archives | ERIC | |
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| Taylor and Francis | | |
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| World Intellectual Property Search |