Club listing for "Delcan Costello", circa 1973. Note Richard and Linda Thompson playing at another club the same night.
Full page "Folk Happenings", Melody Maker, April 14, 1973. Listing for Declan Costello at the Barmy Arms marked with "X" in margin.
Declan Costello is a name EC used when booking gigs as a solo performer in 1973. The name was misspelled as "Delcan" in print at least once.