Spaltung der Christenheit das sogenannte Morgenländische Schisma von 1054

by Bayer, Axel
Published: Köln [u.a.] | Böhlau | 2002

The Second Crusade scope and consequences

Published: Manchester [u.a.] | Manchester Univ. Press | 2001

The Church in Western Europe from the tenth to the early twelfth century

by Tellenbach, Gerd
Published: Cambridge [u.a.] | Cambridge Univ. Press | 1993

Die Kreuzzüge

by Thorau, Peter
Published: München | Beck | 2004

God's war a new history of the Crusades

by Tyerman, Christopher
Published: London | Penguin Books | 2007

Byzanz und die Kreuzzüge

by Lilie, Ralph-Johannes
Published: Stuttgart | Kohlhammer | 2004