Article date: Oct 1957
Article title: How to remember numbers by mnemonic devices such as cuff links and red zebras
Mathematical Games column? Y
Book: 1. Mathematical Puzzles and Diversions
Chapter: 11. Memorizing Numbers
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (24 October 2023):
I have seen this chapter and column side-by-side and they match.