Italian Paintings of the Thirteenth and Fourteenth Centuries: Saint James Minor, c. 1272 | National Gallery of Art https://www.nga.gov/research/publications/italian-paintings-thirteenth-and-fourteenth-centuries-0/italian-paintings-thirteenth-and-fourteenth-centuries-saint-james-minor-c-1272
with which the thirteenth-century painter tried to imitate the early Christian model