An unofficial and informal conference was held in Stockholm September 14-15, 1917 by the female delegates from the Third Zimmerwaldist Conference.

Mouch had summoned them all to Washington, as his friends and personal advisers, for a private, unofficial conference on the national crisis.

Darlington Hall becomes the center of all sorts of unofficial diplomatic conferences that, Stevens understands, will decide the fate of Europe.

During my visit I took part in an unofficial scientific conference conducted by 45 Soviet colleagues, who have paid a high price for their quest to emigrate.

A provisional committee was formed with Stafford Cripps as chairman, to hold unofficial conferences confined to local Party delegates at which this demand would be pressed.

Press Club Glasnost, one of the independent groups that have sprung up under Mikhail Gorbachev, decided to hold an unofficial conference and test the idea.

The "Little Three" is an unofficial athletic conference of three elite liberal arts colleges in New England, United States.

In March 2006, he helped organize an unofficial conference of Chinese and foreign scholars and historians of the Cultural Revolution in a resort outside Beijing.

There's going to be an unofficial conference at the Abbey.

Private American rights groups will be out in force, however, at a parallel unofficial conference, also in Durban.