A massive online archive of 277 books from Harvard's Loeb Classical Library all in PDF format. Includes the works of many ancient historians such as Herodotus, Thucydides, Tacitus, Livy, Xenophon, Eusebius, and others.
A huge online archive to primary and secondary sources for the study of ancient Greece and Rome. Philology, literature, religion, art, architecture, and history are some of the areas covered.