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1. www.jstor.orgJSTOR Home

   www.jstor.org

   Harness the power of visual materials—explore more than 3 million images now on JSTOR. Enhance your scholarly research with underground newspapers, magazines, and journals. Explore collections in the arts, sciences, and literature from the world’s leading museums, archives, and scholars.

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     Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...

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     Browse books and journals on JSTOR by subject. Browse by...

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     Browse books, journals, and research reports on JSTOR by...

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     Free or low-cost access for low-income countries Through the...

2. scholar.google.comGoogle Scholar

   scholar.google.com

   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.

3. about.jstor.org › oa-and-freeOpen and free content on JSTOR and Artstor

   about.jstor.org › oa-and-free

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   We’re proud to publish articles based in fact and grounded by careful research and to provide free access to that research for all of our readers. How to find the millions of journal articles, ebooks, images, and other media available on JSTOR and Artstor as Open Access or free to everyone.

4. doaj.orgDirectory of Open Access Journals – DOAJ

   doaj.org

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   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.

5. unpaywall.orgUnpaywall

   unpaywall.org

   An open database of 51,476,808 free scholarly articles. We harvest Open Access content from over 50,000 publishers and repositories, and make it easy to find, track, and use. Get the extension.

6. about.jstor.org › librarians › booksOpen access books on JSTOR

   about.jstor.org › librarians › books

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   Open access books on JSTOR. More than 12,000 open access (OA) books from 130+ publishers, including Brill, Cornell University Press, University College of London, and University of California Press, are now available at no cost to libraries or users.

7. pmc.ncbi.nlm.nih.govPMC Home

   pmc.ncbi.nlm.nih.gov

   PubMed Central ® (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM)