Background

Geography
Medieval Europe

Feudalism
Gerhard Rempel

Crusades
E.L. Skip Knox
Catholic Encyclopedia

Monasticism
Metropolitan Museum of Art
Catholic Encyclopedia
Monastic Orders
Monasteries in Britian

Pilgrimages - Wikipedia
Routes to Santiago
Cult of Saints and Relics
Tunic of Mary
Chartres
Shroud of Turin

Important characters
Peter Abelard
Abbot Suger
        Gothic
Eleanor of Aquitaine
        Troubadour's Daughter
Frederick I (Barbarossa)
        Catholic Encyclopedia