http://www.cs.indiana.edu/metastuff/bookfaq.html
The Online Books FAQ (Frequently Asked Questions List) answer questions and also serves as a hyper-index of sources for electronic texts available online. Only texts in the public domain, that is, free from copyrights, are included. Links to online archives, including the Gutenberg Project and Wiretap, are combined with helpful hints for using electronic texts. Browsers can also add other texts to the site.