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).
His enim versibus oblique, sicuti dixi, admonere voluit, diem quem Romani civilem appellaverunt a sexta noctis hora oriri.