4 ↑ Zosimus, 1:8 1 2 Dio, 74:8 ↑ Historia Augusta, Pertinax, 10:4 ↑ Historia Augusta, Pertinax, 11:1 ↑ Dio, 74:9 ↑ Historia Augusta, Pertinax, 11:7 ↑ Dio, 74:10 ↑ Tulane University "Roman Currency of the Principate" ↑ Cassius Dio, lxxiv, 13.2–5; Historia Augusta, Didius Julianus, 4.2–7; Herodian, ii.7.3 ↑ Cassius Dio, lxxiv, 13.3 ↑ Historia Augusta, Didius Julianus, 4.2, 4.4 ↑ Cassius Dio, lxxiv, 14.3–4; Historia Augusta, Didius Julianus, 5.1–2 ↑ Historia Augusta, Didius Julianus, 5.3; Septimius Severus, 5.5 ↑ Historia Augusta, Septimius Severus, 5.5 ↑ Historia Augusta, Didius Julianus, 5.4–8 ↑ Cassius Dio, lxxiv, 16.3 ↑ Cassius Dio, lxxiv, 17.2; Historia Augusta, Didius Julianus, 6.9, Septimius Severus, 5.7; Herodian, ii.12.3 ↑ Herodian, ii.11.6 ↑ Cassius Dio, lxxiv, 17.3 ↑ Cassius Dio, lxxiv, 17.5; Historia Augusta, Didius Julianus, 8.8 ↑ Cassius Dio, lxxv, 1.1 ↑ Cassius Dio, lxxiv, 17.5 ↑ Historia Augusta, Didius Julianus, 8.10 ↑ " Herodian says "in their opinion Alexander showed no honourable intention to pursue the war and preferred a life of ease, when he should have marched out to punish the Germans for their previous insolence" (Herodian vi.7.10). ↑ Gibbon, Edward (2012). The History of the Decline and Fall of the Roman Empire: Edited in Seven Volumes with Introduction, Notes, Appendices, and Index. Cambridge University Press. p. 66.