Incidentally
Steve Gardham cites "Song Cellars and Glees" as a possible contender for the title of of folk song maker
Laurence Senelick's extensive lists of the songs sung in the easrly Victorian Taverns tends to rule them out
See
'Tavern Singing in Early Victorian London' (the diaries of Charles Rice for 1840 aande 1850 (Society for Theatre Research 1997), tend to rule them out, in my opinion
Jim Carroll