re english versions, and further to the cecil sharp ref in the geordie thread above
there are 10 versions collected by cecil sharp in Cecil Sharp's collection of English folk songs / edited by Maud Karpeles. Published London ; New York : Oxford University Press, 1974.
nb surely guest was joking about 'the canon'? -the tune rightlly evolves even today i'd say, depite being nailed down on cds, or to lesser extent, in transcriptions.