Good find. Unfortunately, this book is not pirated on Libgen, I may have to actually buy a paper copy lolz =/ I haven't done that in a while.
I'm listening to the lecture though, it's good so far. I think the comparison of Marshall and Moltke the Elder is a bit unfair. Moltke was the architect of the 1871 war plan, whereas Marshall was basically only a manager. But I like the focus on the military education system that bred good officers from an early age and junior ranks, instead of the mythologization of the Prussian/German Officer Corps itself. That's a very good point.