Gervase, could it possibly be "There's a Green Hill Out in Flanders"? I found this:
RA sound file, it's on Tape #9.
and this:
There's a Green Hill Out in Flanders
Publication Date: 1917
Composer: Allan J. Flynn
Lyricist: Allan J. Flynn
Performer: Florene Timponi
Illustrator: Starmer
Publisher: Al. Piantadosi & Co.
The RA file has lyrics, but I can't catch them......