Retrieved 18:24, May 16, 2013 (GMT)
XRF results (traces) of selected stamped Roman bricks kept at the British School at Rome. The majority of these brick stamps were collected during the South Etruria Survey. The catalogue was published in Graham, S. 2006 EX FIGLINIS: The Network Dynamics of the Tiber Valley Brick Industry in the Hinterland of Rome BAR International Series 1468. John Hedges Ltd.