1. Detail of the donor figure of Pope Nicholas IV in the Coronation of the Virgin, by Jacopo Torriti. 1292–96. Mosaic. (S. Maria Maggiore, Rome). Photograph: Scala, Florence/Art Resource, New York.
Attributed works:
3. Detail of friars at the foot of the cross in the Crucifixion, by Giotto and workshop. c.1305–12. Fresco. (North transept, Lower Church, Basilica of S. Francesco, Assisi).
Western art unattributed:
2. Nave of the Upper Church, Basilica of S. Francesco, Assisi. Frescoed c.1288–97. Photograph: Franco Cosimo Panini Editore; copyright: Management Fratelli Alinari, Florence.