Interesting websites for free books :
http://www.occult-underground.com/alchemy.html
http://www.revistaazogue.com/biblio.htm
http://sacred-texts.com/alc/index.htm
http://www.alchemywebsite.com/texts.html
http://www.esotericarchives.com/esoteric.htm
http://www.rexresearch.com/alchindx.htm
http://www.ebooks4free.net/esoterica.php