Davenport, Caillan (2011). "Iterated Consulships and the Government of Severus Alexander". Zeitschrift für Papyrologie und Epigraphik. 177: 282. JSTOR41291183.
Ledlie, James Crawford (1903). "Ulpian". Journal of the Society of Comparative Legislation. 5 (1): 19. JSTOR751768.
Davenport, Caillan (2011). "Iterated Consulships and the Government of Severus Alexander". Zeitschrift für Papyrologie und Epigraphik. 177: 281–288. JSTOR41291183.
Feriale Duranum20–25: iii I[d]us Ṃ[artias quod] Imp(erator) [Caesar M(arcus) Aurelius Severus Alexander im]peratọṛ ap[pellat]ụ[s... [Pridie Idu]ṣ [Martias q]uod Ạ[lexander Augustus no]ṣ[ter Augustus et Pater] [Patriae et Pontife]x̣ Max̣[imus appellatus s]ịṭ supp̣[licat]io.
Herodian, who lived during his reign, writes that Elagabalus and Alexander were "about fourteen and ten, respectively" in May 218 (5.3.3). The Epitome de Caesaribus (23, 24), written over a century later, states that "he lived sixteen years", while Alexander died in his "twenty-sixth year" (Elagabalus lived 18 years).
Historia Augusta, Alexander, 60: "He ruled for thirteen years and nine days... He did everything in accordance with his mother's advice, and she was killed with him."
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Herodian, who lived during his reign, writes that Elagabalus and Alexander were "about fourteen and ten, respectively" in May 218 (5.3.3). The Epitome de Caesaribus (23, 24), written over a century later, states that "he lived sixteen years", while Alexander died in his "twenty-sixth year" (Elagabalus lived 18 years).
Eutropius, Book VIII[usurped]: "He lost his life in Gaul, in a tumult of the soldiery, in the thirteenth year and eighth day of his reign. He testified great affection for his mother Mammaea."
