3 public-domain matches

Caligula And Claudius

Cover of Cassius Dio and the Principate

Cassius Dio and the Principate

Unknown author

Cover of Dē vītā Caesarum

Dē vītā Caesarum

Suetonius

The Annals (From the Passing of the Divine Augustus)

The Annals (From the Passing of the Divine Augustus)

Tacitus