Library References

Arizona State Library
Awesome Library
BiblioCat's Website
Bookyards.com » Library to the world
Classic Book Library
Digital Librarian
Digital Library (MLibrary)
Directory of USA Academic Libraries
eCUIP (Digital Library)
Eternal Word Television Network Libraries
Fathom Archive
Free Books in the Internet Public Library
Hathi-Trust DigitalLibrary (Research)
Illinois State Library
Internet Archives
Internet Public Library
ipl2- Information You Can Trust
Librarian in Black Blog
Librarianchick
Libraries – Government and Public - USA
Library of Congress
Library WWW Servers
LibrarySpot
List of Academic Libraries
Martindale's The Reference Desk
Online Books Page, The
Online Libraries - 25 Places to Read Free Books
PerseusDigitalLibrary
Project Gutenberg
Public Bookshelf
Public Libraries in the USA
Questia Index
Questia - The Online Library
Registration (Lib in th eSky)
San Francisco Public Library
Useful Reference Sites - UT Library Online
World Public Library
WorldCat.org- World's Largest Library Catalog
Worldwide index of library catalogues 
WWW Virtual Library