I checked my vinyls again and found E&S (same as in the DT) on The Best of The Dubliners (Spot Records SPR 8504, Pickwick Int. licensed from Transatlantic Rec's), this time credited to "(Bourke-Drew-McKenna-Lynch-Sheehan) Heathside Music".

In a songbook consisting of Dubliners' earlier material there are two songs printed withOUT any note about the origins or author(s), one of them being E&S (the other is The Dublin Fusiliers).

Not that this helps much but ...

AKS