The title says (2011) but the postscript says "Erika helped kick off the farm collie movement when she wrote this article in the 1980s." Unfortunately it also

The title says (2011) but the postscript says "Erika helped kick off the farm collie movement when she wrote this article in the 1980s." Unfortunately it also says "She kept the dream alive for a number of years but sadly she had to give up eventually as the lines she was looking for just could not be found"