The previous letters had been recovered from the ruins of the capital.

Don't fail to mention previous letters you have written and which haven't been answered.

In a previous letter I described the injuries to his face.

The second working memory task required participants to determine if a target letter was in the same position as previous letters.

In our previous letter to you we called ourselves anarchists.

In a previous letter Annie had used an interesting expression.

A man whom I have never met; but who told me enough in his previous letters.

Several of your remarks in previous letters I shall carefully consider.

I have also to thank you for a previous valuable letter.

The previous letter appears to be missing but details of other missionaries working in the area are given.