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