Closed doors

CLOSED DOORS. Signifies that something is done privately. The senate sits with closed doors on executive business.
     2. In general the legislative business of the country is transacted openly. And the constitution and laws require that courts of justice shall be open to the public.

References in classic literature ?
When, however, the Columbiad was entirely finished, this state of closed doors could no longer be maintained; besides it would have been bad taste, and even imprudence, to affront the public feeling.
Nor was it at all unpleasant to hear his merry, boyish laughter ringing round hall and gallery, ere it died away against a dozen closed doors.
pursued the fellow, surveying the range of closed doors.
All these closed doors may hide no end of interesting people, and I have never seen a soul go in or out.
She did not care very much about the library itself, because she had read very few books; but to hear of it brought back to her mind the hundred rooms with closed doors.
From the far side of the house through the closed doors came the sound of difficult passages- twenty times repeated- of a sonata by Dussek.
He remembered all the streets--the well-to-do streets he had passed on his way home; all the innumerable houses with closed doors and curtained windows.
He travelled on most of the day, so that it was quite late when he reached the castle, and to his great disappointment found nothing but closed doors and no smoke rising from the chimneys.
Without a word he turned and we followed the officer once again to the closed doors before the audience chamber of Issus, Goddess of Life Eternal.
On the 14th the Directors and their legal advisers met for the reading of the report, with closed doors.
Through the closed doors came the sounds of the discreet staccato accompaniment of the orchestra, and a single female voice rendering distinctly a musical phrase.
Here, before the closed doors, stood many forms with dark faces and harsh, discordant voices, who sternly asked the shivering little Fairy why she came to them.