The website editor has produced a collection of notes about the early puzzles, based on text that appeared with their solutions, as well as letters on correspondence pages. The early
Listener editors were forthright and often humorous in their comments. This information has been added to the information about the puzzles in that section, but is also available in the following PDF documents
A list of more extended articles and other references to the puzzle series, which cannot be reproduced for copyright reasons, can be read HERE.