I am unable to create a link to the following, but if you copy and paste the following into Google it will take you there. It is entitled

THE CHILD BALLAD IN CANADA: A SURVEY1
LAUREL DOUCETTE and COLIN QUIGLEY

(I cannot find a publication date. However, it is likely post-1976.)

file:///C:/Users/User1/Downloads/21820-Article%20Text-32314-1-10-20140513%20(1).pdf