BMCREMattingly, H. and R.A.G. Carson. Coins of the Roman Empire in the British Museum. (London, 1923 - 1963).Vol. 1: Augustus to Vitellius. (London, 1923). Vol. 2: Vespasian to Domitian. (London, 1930). Vol. 3: Nerva to Hadrian. (London, 1936).Vol. 4: Antoninus Pius to Commodus. (London, 1940). Vol. 5: Pertinax to Elagabalus. (London, 1950). Vol. 6: Severus Alexander to Pupienus. (London, 1963).

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BMCREMattingly, H. and R.A.G. Carson. Coins of the Roman Empire in the British Museum. (1923 - 1963).Volume 1: Augustus to Vitellius (1923) Volume 2: Vespasian to Domitian (1930 Volume 3: Nerva to Hadrian (1936) Volume 4: Antoninus Pius to Commodus (1940) Volume 5: Pertinax to Elagabalus (1950) Volume 6: Severus Alexander to Pupienus (1963)	BMCREMattingly, H. and R.A.G. Carson. Coins of the Roman Empire in the British Museum. (London, 1923 - 1963).Vol. 1: Augustus to Vitellius. (London, 1923). Vol. 2: Vespasian to Domitian. (London, 1930). Vol. 3: Nerva to Hadrian. (London, 1936).Vol. 4: Antoninus Pius to Commodus. (London, 1940). Vol. 5: Pertinax to Elagabalus. (London, 1950). Vol. 6: Severus Alexander to Pupienus. (London, 1963).