The Cool Guy or Dweeb site offers a set of Wars of the Roses skirmish rules.
medieval
Medieval Demographics For Fantasy Worlds
Creating a fantasy world? Running a medieval fantasy RPG? Here’s a great article on Medieval Demographics, based on the Paris tax lists of 1292 and other original sources.
Internet Medieval Sourcebook
The Internet Medieval Sourcebook is a fantastic resource for miniature wargamers. I’ve had this one in my bookmarks for several years and haven’t even begun to plumb its depths. The section on the Crusades is particularly useful.