Republicans frequently use the time to speak on a variety of subjects.

He has written many books, on a variety of subjects.

He sat down at the computer and called up a variety of subjects?

If so, I expect to have some second thoughts on a variety of subjects.

She has written on a variety of subjects including the environment, politics, place, and art.

It is estimated that he has left about 40 books on a variety of subjects and issues.

In Year 7, students learn a wide variety of subjects.

His works include more than 130 books on a variety of subjects.

We became friends in a way and talked on a variety of subjects.

But each involved a variety of subjects, not just one like health care.