Artz, Frederick B.
- The Mind of the Middle Ages, A.D. 200-1500
Becker, Howard, & Harry Elmer Barnes
- Social Thought from Lore to Science
Erickson, Carolly
- The Medieval Vision: Essays in History and Perception
Herlihy, David
- Medieval Culture and Society
Lecky, William Edward Hartpole
- History of European Morals from Augustine to Charlemagne
Schnurer, Gustav
- Church and Culture in the Middle Ages, Volume I: 350-814
Strayer, Joseph R.
- Feudalism
Taylor, Henry Osborn
- The Emergence of the Christian Culture in the West: The Classical Heritage of the Middle Ages
Wood, Charles T.
- The Quest for Eternity: Medieval Manners and Morals