First, this neat site:
Has a huge collection of historical maps available online. So, for instance, if you want a map from 1482 of Asia Minor (in Latin), here's your thing:
Whether or not you can use such a resource for making a game, it is just cool.
Second, Shamus has started a new series on AI programming:
Shamus is usually entertaining and sometimes informative, so I look forward to reading his thoughts. When he's gotten further into his thoughts I may post my own experience from SENG development, but for now, enjoy!