No doubt there were cross words and an exchange of letters.

Instead, their relationship is governed by an exchanges of letters.

Another exchange of letters, in April 1992, was all about money.

Besides, there has been no time for a further exchange of letters.

I am publishing my exchange of letters with the Governor today.

This triggered a public exchange of letters between him and Irving.

They began an exchange of letters that would last until the end of her life.

There must have been an exchange of letters in the recent past, which led to the invitation.

There have been several exchanges of letters with the Bureau.

An exchange of letters among the original eight member nations was sufficient to establish the Council in 1902.