Which preposition to use with ciceronians

at Occurrences 1%

The cultivated tympanum of Cardinal Bembo and other Ciceronians at the Pontifical Court received painful shocks from certain corrupt expressions in his decades.

of Occurrences 1%

When rules are thus drawn, rather from precedents than reason, there is danger not only from the faults of an author, but from the errours of those who criticise his works; since they may often mislead their pupils by false representations, as the Ciceronians of the sixteenth century were betrayed into barbarisms by corrupt copies of their darling writer.

Which preposition to use with  ciceronians