books.google.de - This book investigates into the Polish participation in the Crusades to the Holy Land, as well as the organisation of the campaign of preaching of the Cross and the collection of resources for the support of the Crusades by the Church. By broadening the scope of enquiry to consider the application of...http://books.google.de/books/about/The_Forgotten_Crusaders.html?hl=de&id=l9R2WMhnHHAC&utm_source=gb-gplus-shareThe Forgotten Crusaders
