http://www.gutenberg.org/
http://manybooks.net/
http://craphound.com/?cat=5
http://www.amazon.com/gp/search?node=154606011&p_15=public%20domain&p_36=0-0&redirect=true
http://archive.org/details/americana
http://archive.org/details/iacl
http://www.baen.com/library/books.asp
http://www.bookrix.com/download-free-ebooks.html
http://www.booksshouldbefree.com/
http://cthulhuchick.com/free-epub-complete-works-lovecraft-nook/
http://m.gutenberg.org/
http://openlibrary.org/subjects/accessible_book
http://sherlock-holm.es/
http://www.tor.com/index.php?option=com_content&view=stories