Scope and Contents Of the seven manuscripts in the group, five are letters by Pratt to his mother or father—one written from western Virginia in August of 1861, and four from various locations in the Shenandoah Valley, December 1862 to November 1863. The two remaining documents (March-June 1862) are letters to Pratt from the headquarters of Brig. Gen. Wise, responding to Pratt's own, perhaps repeated entreaties that Wise use his influence to expedite Pratt's exchange. Pratt's initial assignment to Wise's...