But he found it almost as hard to do all this on four thousand a year as Mrs. Eynsford Hill to live in Earlscourt on an income so pitiably smaller that I have not the heart to disclose its exact figure.
There are no more uses of "disclose" in the play.
Show samples from other sources
As if she’d had to do it too many times before and it had gone badly—the admission of wealth that’s greeted with too much enthusiasm, the disclosure of a secret identity that she herself didn’t create.
Gillian Flynn -- Gone Girl
Before I show you this, you have to give me a verbal non-disclosure agreement, okay?