The forgotten crusaders : Poland and the crusader movement in the twelfth and thirteenth centuries

by Gładysz, Mikołaj
Published 2012

The weekly crusader

The Samogitian Crusade

by Urban, William L.
Published 1989

The Livonian crusade

by Urban, William L.
Published 1981

The Prussian crusade

by Urban, William L.
Published 1980

Denmark and the baltic crusade : 1150 - 1227

by Rebane, Peep Peter
Published 1969

Crusading and chronicle writing on the medieval baltic frontier : a companion to the cronicle of Henry of Livonia

Published 2011

Wyprawy krzyżowe i państwa krzyżowców

by Jotischky, Andrew
Published 2007

Geschichte der Kreuzzüge

by Runciman, Steven
Published 1995