http://www.gutenberg.org/ebooks/sear...obert+e+howard
Someone's (re)uploading the books in a rather clean format. Kudo's to whomever that is. It looks to be a work in progress as well judging by the date's (Red Nails being only couple of days ago).
Oh, and they appear to be the originals, unedited. I haven't confirmed this though.