Article date: Jun 1967
Article title: The polyhex and the polyabolo, polygonal jigsaw puzzle pieces
Mathematical Games column? Y
Book: 8. Mathematical Magic Show
Chapter: 11. Polyhexes and Polyaboloes
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (30 October 2023):
I have seen this chapter and column side-by-side and they match.