Here are 25 Online Libraries for Academics & Researchers (Note: remove the space to access the website) 1️⃣ Google Scholar – scholar. google. com 2️⃣ Directory of Open Access Books (DOAB) – doabooks. org 3️⃣ Directory of Open Access Journals (DOAJ) – doaj. org 4️⃣ Project Gutenberg – gutenberg .org 5️⃣ Internet Archive – archive .org 6️⃣ Open Library – openlibrary. org 7️⃣ World Digital Library – wdl. org 8️⃣ PubMed Central (PMC) – ncbi.nlm.nih. gov/pmc/ 9️⃣ ScienceOpen – scienceopen. com 🔟 ERIC (Education Resources Information Center) – eric.ed. gov 1️⃣1️⃣ AGRIS (FAO) – agris. fao. org 1️⃣2️⃣ JSTOR Open Access – about.jstor. org/oa-and-free/ 1️⃣3️⃣ CORE – core. ac. uk 1️⃣4️⃣ OAPEN Library – library. oapen. org 1️⃣5️⃣ Ethnologue – ethnologue. com 1️⃣6️⃣ Internet Sacred Text Archive – sacred-texts. com 1️⃣7️⃣ Digital Public Library of America (DPLA) – dp. la 1️⃣8️⃣ OpenThesis – openthesis. org 1️⃣9️⃣ EThOS (British Library) – ethos. bl. uk 2️⃣0️⃣ SSRN (Social Science Research Network) – ssrn. com 2️⃣1️⃣ HathiTrust Digital Library – hathitrust. org 2️⃣2️⃣ BASE (Bielefeld Academic Search Engine) – base-search. net 2️⃣3️⃣ Europeana – europeana. eu 2️⃣4️⃣ Zenodo (by CERN) – zenodo. org 2️⃣5️⃣ MIT OpenCourseWare – ocw. mit. edu