The Cathedral Museum of Ferrara is sited in the ex church of San Romano. It forms part of the Civic Museums of Ancient Art and mostly holds objects belonging to the Cathedral. Among these are the previous decorative panels of the organ, depicting the Annunciation and St. George and the Dragon, absolute masterpiece ofCosmè Tura, the master of the 15th-century Ferrarese school and the 13th-century panels from the Porta dei Mesi, the side entrance to the cathedral demolished in the 18th century. A rich collection of illuminated antiphonal hymnbooks, reliquaries, paintings and other works of art complete this interesting museum.