Osprey Men-at-Arms №436. David Lindholm, David Nicolle. The Scandinavian Baltic Crusades 1100-1500

Osprey Publishing, 2007. — 51 p. — ISBN: 1841769882.This book describes and illustrates the armour, weapons, fortifications and ships of one of the least-known phases of the Medieval Crusades - the expeditions by Scandinavian Catholics against the pagan peoples to the east of the Baltic Sea, and their subsequent clashes with the Eastern Orthodox Russian princes of Novgorod and Muscovy.