- DL ACM
- Prola (APS)
- BioOne is a global, not-for-profit collaboration bringing together scientific societies, publishers, and libraries to provide access to critical, peer-reviewed research in the biological, ecological, and environmental sciences.
- COPAC (over 70 UK and Irish academic, national & specialist library catalogues)
- Web of Knowledge
- The SAO / NASA Astrophysics Data System
- IDEAS / REPEC bibliographic database dedicated to Economics and available freely on the Internet
- Scirus - comprehensive scientific research tool on the web
- ACS Publication (American Chemical Society)
- APA PsycNET (American Psychological Association)
- CiNii (Scholarly and Academic Information Navigator)
- DBLP Computer Science Bibliography
- ingentaconnect - The Ingenta Library Gateway is a searchable database of more than 12 million citations from over 26,000 journals
- Jstor - academic journals, images, letters, and other primary sources
- Nature
- PNAS Proceedings of the National Academy of Sciences / one of the world's most-cited multidisciplinary scientific serials
- Spires (InSpires) - High-Energy Physics Literature Database