Assertion: cicero's correspondence | /r/HasProperty | written in subtle code
Facets:
value: often
type: TEMPORAL
value: to disguise their political observations
type: PURPOSE
Source sentences:
text: Their correspondence, often written in subtle code to disguise their political observations, is preserved in Epistulae ad Atticum (Letters to Atticus) compiled by Tiro, Cicero's slave (later his freedman) and personal secretary.