Here are some LINKS that can lead you to some remarkable information sources on the World Wide Web. \   

• PubMed, is a service of the National Library of Medicine, offering 11 million Medline citations. 
• The Library of Congress (search and download MARC records) 
• Search major library online catalogs on the WEB.
  
• Free Ebooks--Project Gutenberg
• Meet your next favorite book--Goodreads
  
• Marc Record fields:  Marc21 format for bibliographic data
  
• Dewey Browser from OCLC, use to find Dewey classifciations
  
• Free eBook Download Guide by SuperSummary