Military/Info Publishing
Specializing in Historical Military Technology.
With over 2500 different military manual photocopy titles available, including hundreds on artillery and fortification topics.
The Simonides Group
"Simply the LARGEST military history & archaeology site on the web"
The Artillery Mailing List
The Armour Mailing List
Military History News
More links are to be found under each of our categories; fortifications, artillery and castles.