Dictionary of the Middle Ages by 
Encyclopedia of the Middle Ages by The Discoverers by The Illustrated Encyclopedia of Medieval Civilization by 
Encyclopedia of Religion by 
Women Medievalists and the Academy by 
New Catholic Encyclopedia by 
The Encyclopaedia of Islam, Three by 
Encyclopedia Judaica by Chronology of the Medieval World by 
The Timetables of History by 
The Timetables of Jewish History by 
A Historical Atlas of the Jewish People by 
Atlas of the Islamic World since 1500 by 
The New Penguin Atlas of Medieval History by Search by background information in the library catalog.
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