Noctes Atticae
Gellius, Aulus
Gellius, Aulus. The Attic Nights of Aulus Gellius. Rolfe, John C., editor. Cambridge, Mass.; London: Harvard University Press; William Heinemann, 1927 (printing).
Quod Q. Ennius in septimo Annali quadrupes eques ac non quadrupes equus, ut legunt multi, scriptum reliquit 310