The following is a list of the books that have been used to gather muc of the information used in the creation and structure of this site.

Bastien, Pierre
Le monnayage de l'atelier de Lyon : de la reóuverture de l'atelier par Aurélien à la mort de Carin (fin 274-mi-285). (Volume IX)
Wetteren, Éditions Numismatique romaine, 1976.

Cohen, Henry
Description Historique des monnaies frappées sous l'Empire Romain. Volume VI.
Second edition, Paris, 1880-1892.

Mattingly, Harold
Coins of the Roman Empire in the British Museum, Volume V, Pertinax to Elagabalus
Second edition, Spink, 2005

Mattingly and Sydenham
The Roman Imperial Coinage. volume IV. Pertinax to Uranius Antoninus
1986 reprinted edition

Pink, Karl
Der Aufbau der römischen Münzprägung in der Kaiserzeit. VI/I, Probus.
Numismatische Zeitschrift Vol. 73 (1949).

Seaby
Roman Silver Coins, volume III, Pertinax to Balbinus and Pupienus
Second edition

Webb, Percy
The Roman Imperial Coinage. volume V, part. 2. Probus to Amandus
edited by Harold Mattingly and others