This site is good to use because it shows what witchcraft was, how they organized witch hunts and how they depicted the witches. They also have an interesting fact section.
This website has the main content on religion in the middles ages, there is also a link that shows information on the nuns and monks in the middles ages.
LA2 Early Christianity and Persecution. This is an Encarta site that covers and goes beyond the set period of the Middle Ages, including Eastern Christianity and the Reformation.
LA6 Describes and analyses the various levels of medieval society, including peasants, clergy, serfs, knights and nobility; as well as social structures, buildings, towns, trades and other areas.