Listed below are links to websites offering Online Libraries.
 

Carrie
A full-text electronic library.

The Electronic Library
Full-text search of more than 150 full-text newspapers, nearly 800 full-text magazines, 2 international newswires, 2,000 classic books, hundreds of maps, thousands of photographs, as well as major works of literature and art. Free trial, but after that it's $9.95 a month for unlimited access.

The Internet Public Library
Divisions include Reference, Teen, Youth, and MOO. Rooms include Classroom, Exhibit Hall, and Reading Room.

The Library of Congress
A wondrous place packed with databases, resources, and information. Plan several visits!

National Library of Canada
The National Library of Canada (NLC) "gathers, makes known, preserves and promotes Canada's published heritage."

The On-Line Books Page
Full text of over 2,100 English titles.