At this distance, however, and without written or photographic proof, it is hard to come down, one way or another.

Some rulesets require photographic proof that a true sighting occurred.

The danger had passed, the program was back on track, and if you didn't believe it, here was photographic proof.

But the filmmakers are unable to find photographic proof of the 250,000 Iraqi troops said to have been poised at the Kuwaiti border.

On one occasion, he found Pellucidar yet his photographic proof was ruined by a monkey photographing himself.

But the plan failed after the Democratic Unionists demanded photographic proof that the weapons had been destroyed.

A down-on-his-luck photojournalist attempts to get photographic proof of Batman's existence.

He pulled photographic proof from a drawer.

The lacuna created by the absence of photographic proof will constantly asked to be filled.