Documents illustrating the reigns of Augustus & Tiberius - Jones, Arnold Hugh Martin, 1904-; Augustus, Imperator Romanorum, 63 v. Chr.-14 n. Chr; Tiberius, Imperator, 42 v.Chr.-37 n.Chr. (Iulius Caesar Augustus); Ehrenberg, Victor 1891-1976 (Clarendon Press, 1949)