Roman historian (7)
'roman historian' is the definition.
(I know that Tacitus is a historian)
This is all the clue.
(Other definitions for tacitus that I've seen before include "Old historian" , "Old history master" , "Writer" , "Roman politician and historian" , "Roman historian, annalist" .)
(Another definition for sallust that I've seen is " historian".)
(Other definitions for cato that I've seen before include "Marcus Porcius - , Roman politician, censor" , "Senator" , "Ancient Roman censor" , "classical writer" , "Roman statesman" .)
'roman historian' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for livy that I've seen before include "Roman historian" , "Poet" .)