In which he found certain ancient artifacts that have since been brought to the House of Knowledge.

During the attack, certain valuable artifacts are stolen from Drogan's laboratory.

The locals eagerly surrendered and provided as gifts certain unique artifacts to the museum.

The presence of certain artifacts, like spear points, could determine whether Troy was destroyed by war or perhaps, as has been suggested, an earthquake.

The player explores a series of caverns in search of a certain artifact.

"Before you make up your mind, we'll examine certain artifacts pertaining to these creatures which we have in the vaults."

However, the captain insists that they cannot proceed until a certain artifact has been retrieved from an obscure island.

He often makes promises he can't keep (mostly to Sara) and will sometimes play dirty to get certain artifacts.

We can't even trust the computer to compare them for us, since it may have been programmed to overlook certain artifacts.

The enclaves do possess certain artifacts that fuel their faith.