Which preposition to use with exposé

of Occurrences 9%

Aberdeen says the Greeks give a most flourishing exposé of their future finances, and he thinks they will become a rich State, and the Powers be exposed to no danger of being called upon for the payment of the interest.

at Occurrences 1%

Kent recalled the passing of the crisis, remembering how he had hastened to telephone the Argus editor to kill the exposé at the last moment.

Which preposition to use with  exposé