I suppose it will be rather difficult to get unpublished letters.

The judge ruled that the book unfairly used his unpublished letters.

He rejects nearly every request to quote from unpublished letters.

We are unable to acknowledge or return unpublished letters.

We regret that we cannot acknowledge or return unpublished letters.

In the case of unpublished letters, the decision was seen as favoring the individual's right to privacy over the public right to information.

The above-mentioned report is partially based on photographs of unpublished letters that Wille wrote to his wife.

In one example, the book paraphrased as follows from an unpublished letter that Wright had written:

In addition, seventeen previously unpublished letters are included.

Twenty-nine of the previously unpublished passionate letters the couple wrote to one another were auctioned off in May 2007 for high sums.