This is becoming the primary rules set that I will use for playing games of this period.
I will add much more information at a later date.
For the present here is a link to the (new) English language website for Dadi & Piombo Publishing, the designers of the Impetus wargaming system of which Baroque is the 1550 – 1700 rules extension. Please be aware that they are in the process of redesigning their website and links may not work from time to time.
I have put up additional pages that describe how I specifically use Impetus:Baroque to wargame on the Celtic Fringe: