Article date: Mar 1967
Article title: An array of problems that can be solved with elementary mathematical techniques
Mathematical Games column? Y
Book: 8. Mathematical Magic Show
Chapter: 15. The Dragon Curve and Other Problems
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Very uncertain)
Peter Rowlett (30 October 2023):
I have seen this column. It is not The Cocktail Cherry and Other Problems, but it is The Dragon Curve and Other Problems.