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  1. Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

  2. 3.3 million articles on ScienceDirect are open access. Articles published open access are peer-reviewed and made freely available for everyone to read, download and reuse in line with the user license displayed on the article. View the list of full open access journals and books.

  3. Harness the power of visual materials—explore more than 3 million images now on JSTOR. Search for images. Incorporate alternative voices in your research. Enhance your scholarly research with underground newspapers, magazines, and journals. Browse Independent Voices.

  4. As part of Springer Nature, SpringerLink delivers fast access to the depth and breadth of our online collection of journals, eBooks, reference works and protocols across a vast range of subject disciplines.

  5. One of the largest and most authoritative collections of online journals, books, and research resources, covering life, health, social, and physical sciences.

  6. DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

  7. pubmed.ncbi.nlm.nih.govPubMed

    PubMed® comprises more than 37 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.

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