Article date: Apr 1961
Article title: Concerning the diversions in a new book on geometry [cover]
Mathematical Games column? Y
Book: 3. New Mathematical Diversions from Scientific American
Chapter: 17. H.S.M. Coxeter
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Very uncertain)
Peter Rowlett (28 October 2023):
I have seen this chapter and column side-by-side and they match.