by the way, the song that the thread originally referred to is the second of two DigitalTradition entries listed in purple-blue at the top of the page (two songs with the same title, the other being the Peadar Kearney patriotic song). http://www.mudcat.org/@displaysong.cfm?SongID=1844

I haven't got around to looking up R Morton's book yet, but I am duly reminded now.