This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). Dictionary of Greek and Roman Antiquities. London: John Murray. {{cite encyclopedia}}: Missing or empty |title= (help) /wiki/Public_domain
This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). Dictionary of Greek and Roman Antiquities. London: John Murray. {{cite encyclopedia}}: Missing or empty |title= (help) /wiki/Public_domain
This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). Dictionary of Greek and Roman Antiquities. London: John Murray. {{cite encyclopedia}}: Missing or empty |title= (help) /wiki/Public_domain
This article incorporates text from a publication now in the public domain: Chambers, Ephraim, ed. (1728). Cyclopædia, or an Universal Dictionary of Arts and Sciences (1st ed.). James and John Knapton, et al. {{cite encyclopedia}}: Missing or empty |title= (help) /wiki/Public_domain
Bury, John Bagnell. The Student's Roman Empire. Harper. 1893. p 436. https://books.google.com/books?id=irZecmG1AEIC
Ferdinand Gregorovius. The Emperor Hadrian. Macmillan. 1898. ISBN 0-7905-5228-0. p 214. https://books.google.com/books?id=D20G5zMpPfUC