Peruzzi had produced a mosaic ceiling for the church of Santa Croce in Gerusalemme, Rome; the mosaic depicts the Saviour. Other paintings ascribed to him are to be found in Sant'Onofrio and San Pietro in Montorio. That Peruzzi improved as time went on is evident in his later works, e.g., the "Madonna with Saints" in Santa Maria della Pace at Rome, and the fresco of "Augustus and the Tiburtine Sibyl" in Santa Maria in Portico a Fontegiusta at Siena. As our master interested himself in the decorative art also, he exercised a strong influence in this direction, not only by his own decorative paintings but also by furnishing designs for craftsmen of various kinds. While primarily known as an architect, one of his great loves was drawing. His extraordinary pen and ink drawings for the basilica of St. Peter's are preserved in the Prints and Drawings Collection of the Uffizi Gallery in Florence. He was especially well known for his extraordinary studies of antique buildings, as seen in The Mystic Marriage of Saint Catherine (1502–1503) in the Allen Memorial Art Museum.