Calicó, E. Xavier. The Roman Avrei. (Barcelona, 2003).
Calicó, E. Xavier. The Roman Avrei, Vol. I: From the Republic to Pertinax, 196 BC - 193 AD. (Barcelona, 2003).
Calicó, E. Xavier. The Roman Avrei, Vol. II: From Didius Julianus to Constantius I, 193 AD
335 AD. (Barcelona, 2003).6,239 aurei listed, 4,293 photographs, 605 drawings, 918 pages.
Also see:
Calicó Onza
Calicó y Trigo