Wikipedia: Piero Della Francesca

• Games
• The Invention of Diplomacy
• Medieval and Renaissance Games
• The Online Guide to Traditional Games
• Traditional Games
• University of Chicago - The Nubian Salvage Project
• University of Pennsylvania - Museum of Archaeology and Anthropology
• Learning Sites -- Gebel Barkal
• History of Nubia
• Art of Pharaoh Akhenaten's Reign
• Tiffany Exhibition Virtual Tour
• About Louis Comfort Tiffany and Favrile Glass