Judson J. Emerick, “Altars Personified: The Cult of the Saints and the Chapel System in Pope Paschal I’s S. Prassede (817-819)” from Archaeology in Architecture: Studies in Honor of Cecil L. Striker, ed Judson J. Emerick and Deborah M. Deliyannis (Mainz: Verlag Philipp von Zabern, 2005), 43-63.