Could you find the complete ballad? I didn't have much success, (even after i started spelling it right!) it is rather long.. but wonderful!

In Reading gaol,in Reading town (i think that is the opening line...)
EDIT--below
i tried again.. success
http://www.bibliomania.com/0/2/57/104/16463/1/frameset.html

all 7 pages, and my line is from the last part.. (page 7)