CohenCohen, H. Description historique des monnaies frappées sous l’Empire Romain. 8 Vols. (Paris, 1880-92).Vol. 1: Pompey to Domitian. (Paris, 1880). Available onlineVol. 2: Nerva to Antoninus Pius. (Paris, 1883). Available onlineVol. 3: Marcus Aurelius to Clodius Albinus. (Paris, 1883). Available onlineVol. 4: Septimius Severus to Maximinus Thrax. (Paris, 1884). Available onlineVol. 5: Gordian I to Valerian II. (Paris, 1885). Available onlineVol. 6: Macrianus to Diocletian & Maximianus. (Paris, 1886). Available onlineVol. 7: Carausius to Constantine & sons. (Paris, 1888). Available onlineVol. 8: Nepotian to Romulus Augustus, plus tesserae & cotorniates. (Paris, 1888). Available online

CohenCohen, H. Description historique des monnaies frappées sous l’Empire Romain. 8 Vols. (Paris, 1880-92).Vol. 1: Pompey to Domitian. (Paris, 1880). Available onlineVol. 2: Nerva to Antoninus Pius. (Paris, 1883). Available onlineVol. 3: Marcus Aurelius to Clodius Albinus. (Paris, 1883). Available onlineVol. 4: Septimius Severus to Maximinus Thrax. (Paris, 1884). Available onlineVol. 5: Gordian I to Valerian II. (Paris, 1885). Available onlineVol. 6: Macrianus to Diocletian & Maximianus. (Paris, 1886). Available onlineVol. 7: Carausius to Constantine & sons. (Paris, 1888). Available onlineVol. 8: Nepotian to Romulus Augustus, plus tesserae & cotorniates. (Paris, 1888). Available online