Great Books Resources on the Web — Online texts, publishers, schools, etc.
Online Text Resources and publishers
Project Gutenberg - Another great site for online text.
Project Perseus from Tufts University - Text available in Greek and Latin... A must visit!
MIT's Internet Classic Library
University of Pennsylvania Online Books
Dover Publications - They are keeping precious gems in circulation
Hackett Publications - Another fantastic publisher
Literary Resources - Online text, theory, etc.
Electronic Text Collection
Liberty Fund's Online Library
Schools with Great Books Curriculum