Top row, from left to right: Christ in Majesty (1410-1415), The Holy Trinity (ca. 1410), The Transfiguration (from the Cathedral of the Annunciation in the Moscow Kremlin -- 1405).
Bottom row, from left to right: The Archangel Michael, The Savior, The Apostle Paul (all 1410-1420).
by Alexander Boguslawski
Information provided by: http://www.rollins.edu