All information here is a compilation of PUBLIC INFORMATION with attribution given when possible. Like so many things – this is a work in progress.
All links in these documents are BLUE and they’re clickable. In fact, the Table of Contents is clickable; if you see a subject that interests you, click on it & the document will take you to that page. The controls to make it larger are at the top. Scroll the document to move to the next page.
Another document pertinent to this one exists here: Games People Play With Shells
