Article date: Aug 1957
Article title: The life and work of Sam Loyd, a mighty inventor of puzzles
Mathematical Games column? Y
Book: 1. Mathematical Puzzles and Diversions
Chapter: 9. Sam Loyd: America’s Greatest Puzzlist
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.