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Open Educational Resources: Open Access Books & Articles

Open Access Books

Open Access Articles

OAIster
Collection of freely available, academically-oriented digital resources, many of them full-text.
Directory of Open Access Journals Search
Provides search interface for nearly 2M articles from more than 10K journals

Selected Disciplinary Repositories:

ArXiv
Open access to more than 1M e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics
Education Resources Information Center (ERIC)
Primary index for US funded research on education. Users may limit results to those items with full text freely available.
Social Sciences Research Network (SSRN)
SSRN aggregates some two dozen research networks in a variety of social sciences and humanities fields. The SSRN eLibrary consists of two parts: an Abstract Database containing abstracts on over 585,400 scholarly working papers and forthcoming papers and an Electronic Paper Collection currently containing over 485,800 downloadable full text documents in Adobe Acrobat pdf format.
PubMed Central
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).

NOTE: There are many open access journals, and many subscription publishers also offer open access articles. These are often found at the publishers' sites. Authors may also upload permitted copies of articles to their institutional repositories.

Theses, Dissertations, and Other Student Works

Open Access Theses and Dissertations (OATD)
This is a centralized search engine for the growing number of institutional repositories of open-access theses and dissertations.
ProQuest Theses and Dissertations Open
Dissertations and theses which have been published open-access via ProQuest Open. Many of these will also be found in each school's institutional repository or via OATD.
Digital Commons Network (Bepress)
Open access to peer-reviewed journal articles, book chapters, dissertations, working papers, conference proceedings, and other original scholarly work from hundreds of universities and colleges.
EThOS
Access to dissertations produced by participating higher education institutions in UK. Login or register to access dissertations.
Undergraduate Research Commons
A Bepress research portal and publishing resource for undergraduate students at institutions around the world. Curated by university librarians and their supporting institutions, this dynamic research tool provides free access to peer-reviewed journal articles, capstone and honors theses, fieldwork and class projects, conference proceedings, and other undergraduate scholarship.