John Mehlberg: thanks for checking in and posting. Rest assured that your research into this interesting topic is noticed and appreciated here. Apart from the postings of "Nutty", and the usual GUEST stirrers, I think everyone here is trying to have a reasonable discussion to balance the opinions of free speech addicts, folk song researchers, people with natural reservations about extreme language, and people using libraries etc which impose some funny censorships schemes. We can solve this, because the vast majority are treating it with good will.