v1.08, © 2007 battle-
Some Interesting Web-
Flags Of The World: “Flags in the ‘Banderia Prutenorum’ Manuscript”
Info-
Jan Dlugosz: “The Battle of Tannenberg or Grunwald in 1410”
Kresy: “The Battle of Grunwald”
Matt Haywood: “Battle of Tannenberg 1410 AD”
Medieval Weapon Art: “The Battle of Grunwald”
Wikipedia: “Battle of Grunwald”
Wikipedia: “Monastic state of the Teutonic Knights”
Wikipedia: “Northern Crusades”