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Directory of Open Access Journals - Access to a searchable journal of full-text quality controlled scientific and scholarly journals

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Elsevier - A comprehensive research tool with more than 460 million scientific items including journal content, courseware, patents, educational websites, and more

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Jurn - Curated academic search engine, you’ll get results from over 4,000 free scholarly e-journals in the arts and humanities

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Open Library - The world’s classic literature, open e-books, and other excellent open and free resources

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SpringerLink - Electronic journals, protocols, and books in just about every subject possible

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WorldCat - 10,000 libraries worldwide, with books, DVDs, CDs, and articles

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Vadlo - A life sciences search engine offering protocols, tools, and Powerpoint templates for scientific research and discovery

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