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.
medieval
SMART Gaming Fantasy and Medieval Rules
SMART stands for Simple Miniature Adventure Rules and Tactics. They’re a set of free wargames rules for fantasy and medieval gaming.
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.