The following are some suggested links for further study on the subject of the Deesis Mosaic, Hagia Sophia, Byzantium and Orthodoxy:

• Pantokrator Monastery - Zeyrek Djami
• Dumbarton Oaks
• Hagia Sophia - Little Chronicle of a Great Church
• The Novo-Tikvin Woman's Monastery in Yekaterinburg
• Egg Tempera Forum
• Iconofile Forum for Icons and Sacred Art
• Pandora Icon Boards
• Alexander Palace Time Machine
• Bob Ousterhout's Constantinople Website
• Father Serfes Site on the Royal Russian Martyrs
• Ikons - Windows into Heaven
• Orthodox Church in America
• Download a PDF on The Conservation of the Dome Mosaics of Hagia Sophia