•  Purdue University Online Writing Lab (OWL)
  

• The Writing Center at University of North Carolina

• English listening lessons

• ESL-Lab
  

• University of Iowa Phonetics Website
  

• EZslang
  

Search Engines

• Google

• Dogpile: A MultiSearch Engine

• Mamma: A Meta Search Engine

• WebPlaces: An Internet Search Guide

• AltaVista: Search Engine with current news

• WebCrawler: Uses a spider to update

Online Booksellers

• Abebooks.com (a network of used booksellers)

• Amazon

• Barnes and Noble

• Borders

• Frontlist Books (scholarly books)

• Half.com (that's right half price used books)