A third report has confirmed the existence of this species.

Further work is necessary to attempt to confirm their existence.

Now they think the lines may confirm the existence of an ocean.

But, somehow, all he did was confirm its existence, independent of and beyond words.

They also expect to confirm the existence of black holes.

The elections that were held on June 15, 1977, confirmed the existence of four important political forces at the national level.

Yesterday, officials publicly confirmed the existence of the plan for the first time.

"I'm almost sure we will confirm their existence," he said.

Several subsequent reports have confirmed the existence of this species.

A Congressional staff official confirmed the existence of the documents.