{"value"=>"<p>These consist mostly of letters sent to Canvassing and Supply personnel, especially Parrish (also to Anderson, and, occasionally, Rathbun); canvassing reports; and copies of reports of other USSC agencies, copies or extracts from letters, and articles submitted for publication in the Bulletin. Letters to Parrish are mostly from other USSC personnel and branches, or from canvassers, and concern canvassing, the Bulletin, or USSC procedures.</p> <p>Some items predate the formation of the department. In particular, a number of letters to Anderson are related to his tenure as relief agent in the Army of the Potomac until October 1864 when he joined the Canvassing and Supply staff at Philadelphia. Some letters addressed to Parrish and others also predate the department's formation. Several items are letterpress copies.</p> <p>Item #606 is a photograph of a plan for a railroad ambulance.</p>"}