William H. Seward to Charles Francis Adams, May 17, 1867

Mr. Seward to Mr. Adams.

Sir: I transmit a letter of the 13th instant from James Rogers, of No. 8 Wall street, New York, and the original depositions which accompanied it, relative to the case of William Jackson, otherwise called John McCafferty, reported to be under sentence of death for high treason in Ireland.

You will make the most effective use of them you can, in using your good offices on behalf of the prisoner to obtain his release or a mitigation of his sentence.

I am, sir, your obedient servant,