Articles http://www.lifehacker.com/software/search-engines/special-seek-and-ye-shall-find-128317.php http://websearch.about.com/od/invisibleweb/a/invisibleweb.htm http://www.lifehacker.com/software/research/seek-and-ye-shall-find-locate-original-documents-on-the-web-157955.php Academic Research BibSonomy http://bibsonomy.org/ Description CiteULike http://www.citeulike.org/ Description Connotea http://www.connotea.org/ Description Google Scholar http://scholar.google.com Description InfoMine http://infomine.ucr.edu/ Description Research Resources http://researchresources.blogspot.com/ Description SciFinder http://www.cas.org/SCIFINDER/topic.html Description Study Guides and Strategies http://www.studygs.net/index.htm WebLens http://www.weblens.org/scholar.html Description Windows Live Academic http://academic.live.com/ Description EBooks DailyLit http://www.dailylit.com/ Project Gutenberg http://www.gutenberg.org/wiki/Main_Page http://digital.library.upenn.edu/books/ World eBook Library http://worldlibrary.net/ TextBook Revolution http://www.textbookrevolution.org/ Timelines Timeline Index http://www.timelineindex.com/ http://www.alexa.com/data/details/related_links?q=http://www.timelineindex.com/content/home.php&url=timelineindex.com Description HistoryMole http://www.historymole.com/ http://www.alexa.com/data/details/related_links?q=&url=http://www.historymole.com/2F Description eHistory http://ehistory.osu.edu/world/timeline.cfm http://www.alexa.com/data/details/related_links?q=&url=http://ehistory.osu.edu/world/timeline.cfm Description Quotes The Quotations Page http://www.quotationspage.com/ Bartleby Quotations http://www.bartleby.com/quotations/ Yahoo Quotations http://dir.yahoo.com/Reference/Quotations/ Quotable Online http://www.quotableonline.com/ Encyclopedias Wikipedia http://en.wikipedia.org/ http://www.alexa.com/data/details/related_links?q=&url=en.wikipedia.org Description Encyclopedia Britannica Online Cost ~ $70 per year http://www.britannica.com/ http://www.alexa.com/data/details/related_links?q=&url=www.britannica.com Description MSN Encarta Cost http://encarta.msn.com/default.aspx http://www.alexa.com/data/details/related_links?q=&url=http://encarta.msn.com/default.aspx Description Libraries Questia Cost ~ $20 per month http://www.questia.com/ http://www.alexa.com/data/details/related_links?q=&url=www.questia.com Description Bartleby http://www.bartleby.com/ http://www.alexa.com/data/details/related_links?q=&url=www.bartleby.com Description Google Book Search http://books.google.com http://www.alexa.com/data/details/related_links?q=http://books.google.com&url=books.google.com Description Stanford HighWire Press Cost Free and Charge http://highwire.stanford.edu/ http://www.alexa.com/data/details/related_links?q=http://highwire.stanford.edu/&url=highwire.stanford.edu Description