The Internet Archive

As of this morning, The Internet Archive is now offering content via the BitTorrent P2P networking protocol: Internet Archive Torrents

There is a nice (if unorganized) collection of early anthropology among the 1.2 million books in the archive. As you might expect, there is a large assortment of early journals and classic works. But, there is also a surprising amount of  grey literature: lectures, occasional papers, and so forth.