Since there's no cross-posting option and not wanting to spam the
Medieval Adventures,
Pikes, Muskets and Flouncy Shirts and
Age of the Big Battalions boards, I thought I'd post this under
General Wargames and Hobby Discussion, though don't mind if the mods move it around...
Defensive Architecture of the Mediterranean XV to XVIII Centuries, AFAIK currently at six volumes (Vol. 3 is a bibliography), containing articles in English, French, Italian and Spanish, concerning military structures and anything ancillary, from around the Mediterranean region.
Vols. 1-3Vol. 4Vol. 5Vol. 6