Article date: Nov 1974
Article title: Some new and dramatic demonstrations of number theorems with playing cards
Mathematical Games column? Y
Book: 12. Time Travel and Other Mathematical Bewilderments
Chapter: 6. Combinatorial Card Problems
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Very uncertain)
Peter Rowlett (2 September 2022):
I have seen copies of Scientific American Nov 1974 and Combinatorial Card Problems in Time Travel and Other Mathematical Bewilderments and these match.