He has since read through many of them, each between 1, 500 to 2, 000 words long, and has written about them in a new e-book: MI7b - the discovery of a lost propaganda archive from the Great War.
In other words, perhaps Harvard believed a quick, simple and limited e-mail search would nip this problem in the bud and allow the University to confront the alleged source of the leak in the most streamlined way possible.