المراجع العامة

القواميس والمراجع اللغوية

• Webster’s Dictionary (http://www.websters-online-dictionary.org)
• Cambridge Dictionary (http://dictionary.cambridge.org)
• One Look (http://www.onelook.com)
• Oxford Dictionary (https://en.oxforddictionaries.com/)
• Merriam-Webster Dictionary (https://www.merriam-webster.com/)
• InfoPlease Thesaurus (https://www.infoplease.com/thesaurus)

Directories:

• Directory of Academic Websites (A-Z) (https://msu.edu/academics/directory-academic-websites.html )
• الدلائلhttps://doaj.org/)

المراجع:

• Ask a Librarian (https://www.loc.gov/rr/askalib/)
• Virtual Reference Shelf (https://www.loc.gov/rr/askalib/virtualref.html)

الموسوعات:

• Encyclopedia Britannica Online (http://www.britannica.com/)
• Encyclopedia Smithsonian (http://www.si.edu/Encyclopedia_SI/)
• Encyclopedia of Life (http://www.eol.org/)
• World Digital Library (http://wdl.org/en/)

التقويم:

• InfoPlease (https://www.infoplease.com/info-please-almanac)
• CIA: World Factbook    (https://www.cia.gov/library/publications/the-world-factbook/index.html)
• Country Studies (http://www.loc.gov/collections/country-studies/)
• Bankers Almanac (https://www.bankersalmanac.com/addcon/home/resources.aspx#)
• Guinness World Records (http://www.guinnessworldrecords.com/records/)

أطالس:

• InfoPlease Atlas (https://www.infoplease.com/atlas/world-atlas-map-library)
• World Atlas (https://www.euratlas.net/geography/world/index.html)

الببليوجرافيات:

• Library of Congress Bibliographies, Research guides , and Finding Aids (https://www.loc.gov/rr/program/bib/index.html)

مصادر السيرة الذاتية:

• General Biographical Sources 
  (https://cms.library.illinois.edu/cms/spx/webct/biography/genbio/genbio2.html)