الأغلبة لما يبحثون حول موضوع في الأنترنت يذهبون مباشرة إلى Google ، في حين أن هناك #محركات_بحت متخصصة في المجال الذي انت تبحث فيه بالتحديد .
هذه أهم محركات البحث لمختلف المجالات:
الأفلام الوثائقية:
– http://topdocumentaryfilms.com/
– http://freedocumentaries.org/
– http://documentaryheaven.com/
– https://documentary.net/
– https://documentarystorm.com/
– http://www.documentary24.com/
– http://www.documentarytube.com/
– http://doc.aljazeera.net/
– https://www.natgeotv.com/ae
الكتب
– http://ebookee.org/
– http://www.scribd.com/
– http://bookboon.com
– http://www.ketablink.com/
– http://waqfeya.com/
– http://4kitab.com/
– http://mybook4u.com/
– http://download-pdf-ebooks.net/
– http://ebookbrowsee.net/
– http://www.free-ebooks.net/
أبحاث والمقالات الأكاديمية
– http://education.iseek.com/iseek/home.page
– http://www.refseek.com/
– http://www.virtuallrc.com/
– http://www.academicindex.net/
– http://dlc.dlib.indiana.edu/dlc/
– http://www.oclc.org/en/oaister.html
– http://www.ipl.org/div/subject/
– http://www.wolframalpha.com/tour/examples.html
– https://www.google.com/trends/correlate/
قواعد البيانات والكتب والأرشيف
– مكتبة الكونغرس
https://www.loc.gov/
– https://archiveshub.jisc.ac.uk/index.html
– https://www.archives.gov/
– https://arxiv.org/
– http://www.siris.si.edu/
– http://www.bl.uk/indexmenuonly.shtml#tabcollns
– https://www.cia.gov//publica/the-world-factbook/index.html
– http://www.opendoar.org/search.php
– https://catalog.gpo.gov/F?RN=217638743
– https://books.google.com/
– http://www.sciencedirect.com/scirus/
– https://www.highbeam.com/
– http://vadlo.com/
– https://openlibrary.org/
– http://www.lanners.ch/
– https://scholar.google.ae/
– http://www.bioline.org.br/
– https://link.springer.com/
– https://doaj.org/
– http://www.jurn.org/#gsc.tab=0
العلوم
– http://www.scicentral.com/
– http://www.biologybrowser.org/
– http://www.cambridgesoft.com/databases/login/?serviceid=128
– http://www.sciseek.com/
– https://www.science.gov/
– http://cds.cern.ch/
– http://home.asdlib.org/
– https://worldwidescience.org/
الرياضيات والتكنولوجيا
– http://citeseer.ist.psu.edu/index
– http://www.theiet.org/resources/inspec/
– https://zbmath.org/
– http://www.mathguide.de/
– http://liinwww.ira.uka.de/bibliography/
العلوم الإنسانية
– https://www.cambridge.org//j/behavioral-and-brain-sciences#
– https://www.ssrn.com/en/
– http://www.psycline.org/
– https://www.ethnologue.com/
– http://www.sociosite.net/
– http://www.socioweb.com/
– https://cse.google.com/cse/home…
– http://www.psychology.org/
– http://wings.buffalo.edu/ARD/
التاريخ
– http://historyengine.richmond.edu/
– https://aac.sub.uni-goettingen.de/en/history/guide/
– http://sourcebooks.fordham.edu/halsall/mod/modsbook.asp
– http://www.lse.ac.uk//Collection-highli/The-Womens-Library
– http://www.davidrumsey.com/view.html
– http://historybuff.com/
– http://www.digitalhistory.uh.edu/
– http://sourcebooks.fordham.edu/halsall/ancient/asbook.asp
– https://www.wyzant.com/resources/lessons/history/hpol
الاقتصاد
– https://www.aeaweb.org/econlit/
– http://www.bpubs.com/
– http://www.nber.org/
– http://www.iisg.nl/w3vl/
– http://repec.org/
– http://www.corporateinformation.com/
– https://inomics.com/
– http://www.dailystocks.com/
– https://www.sec.gov/edgar/searchedgar/webusers.htm
مواقع أبحاث ومقالات آكاديمية متنوعة:
– https://www.ncbi.nlm.nih.gov/pubmed
– http://www.artcyclopedia.com/
– https://medlineplus.gov/
– https://eric.ed.gov/
– http://www.aina.ucalgary.ca/chbd/
– http://www.lexisweb.com/
– https://www.merriam-webster.com/
– http://www.references.net/
– http://www.quotes.net/
– http://www.litencyc.com/
منقول.