Free ebooks: Classic literature

Digital Scriptorium 
An image database of medieval and renaissance manuscripts.

Encyclopedia Mythica
An award-winning internet encyclopedia of mythology, folklore, and religion.

Library of Congress Classical and Medieval History
Annotated list of Web resources to Greek and Latic classics.

Perseus Digital Library
Digital library collection covering the history, literature and culture of the Greco-Roman world.

Project Libellus
A library of classical Latin and Greek texts.