http://www.kbr.be/collections/cart_plan/ferraris/ferraris_nl.html (http://www.kbr.be/collections/cart_plan/ferraris/ferraris_nl.html)
A highly detailed and scaleable multi page map of 18th century Holland. Very useful if you want to create authentic looking battlefields
The acccompanying PDF for the Ferraris maps (http://www.cpdt.be/telechargement/recherches/finalisees/subv_04-05/rapport/th4/04-05-th4_annexes.pdf).
Druzhina
sites of wargaming interest (http://warfare.atwebpages.com/index.htm)
Interesting sites.