Walking back towards his desk he stopped as a certain painting caught his eye, once more.

Rush looked at the various pieces of art while he thought, until he saw a certain painting.

I had seen no woman like her, save in statues and certain paintings.

They looked a little bit like creatures in certain comic paintings that Finnegan had done long ago.

An immature Boobooling taken to an art gallery might be asked about a certain painting whether the woman in it was really smiling or not.

"So we decided to borrow certain paintings that relate directly to the drawings."

When she began a lecture about a certain painting or an artist, her round face would become serious again.

Prices range from $1,000 for a drawing to $4 million for certain paintings.

Even now, at 88, he says he finds a certain painting continuing to surface in his memory.

But certain paintings do seem to go in and out of fashion, he said.