Therefore the work-posting called Defense never had to call for volunteers.

Still, we can call for volunteers who've been in the area since the project started, and that may help.

His act was to call for volunteers from the audience.

She assembled a few sample pieces and called for volunteers at a society meeting last November.

He solved the difficulty at once by calling for volunteers.

This is the kind of situation where you call for volunteers, yes.

In the end Shef had been allowed to call for volunteers.

I call for volunteers if this is to be done!

The captain called for volunteers, and leading the attack, again drove them back.

Since the Senate did not give him an army, he called for volunteers.