Assassination of Caesar
Cassius Dio — Book 48
https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Cassius_Dio/48*.html#14Cassius Dio - Wikipedia
https://en.wikipedia.org/wiki/Cassius_DioPlutarch - Wikipedia
https://en.wikipedia.org/wiki/PlutarchSuetonius • Life of Augustus
https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Suetonius/12Caesars/Augustus*.html#15
Ides
Julius Firmicus Maternus - Wikipedia
https://en.wikipedia.org/wiki/Firmicus_MaternusSuetonius - Wikipedia
https://en.wikipedia.org/wiki/Suetonius