The South's racial history is indeed a rich subject, but not too many films seems to get past its cliches.

Just why the costly advertising campaigns produce no health benefits is a rich subject for exploration.

It's a rich subject, involving many contradictions and mysteries.

You have such a rich subject and your audience is too hungry.

The wealth of display associated with processions makes them a rich subject for literary and visual art.

Harvest Threshing represents a big subject, rich in plastic possibilities.

What I hadn't expected was that the press itself would prove a rich subject for fiction.

"I totally see how ridiculous they are, that's the truth," she said of her rich subjects.

That is certainly a rich subject for a composition; but I can never in the world get an interlude out of it!

That's too bad because this rich subject is in need of more scholarly attention.