Burnett, A. From the Death of Caesar to the Death of Vitellius. (London, 1992).
Also see:Burnett AllectusBurnett EnnaBurnett FirstBurnett RomanoBurnett SecondBurnett VenosaBurnett CoinageEssays HershRPC IRPC II
Also see:Burnett AllectusBurnett FirstBurnett RomanoBurnett SecondBurnett VenosaBurnett CoinageEnna HoardEssays HershRPC IRPC II