He served on a number of committees associated to the political office.

He also sat on a number of public boards and committees.

During his service he served on a number of committees.

There are also a number of other committees established to deal with specific issues.

He serves on a number of national and conference committees.

During Hall's career, he participated in a number of committees and studies.

Over the years the number of committees varied between 23 and 29.

Such was the number of committees that writing itself had to be suspended.

In my view, the number of joint committees could be cut down even further.

There are currently a large number of committees involved in this area.