[ Autographs ] Philip H. Sheridan Manuscript L.S. 1p. 4to., "Headquarters Mil. Div. of the Missouri", Chicago, Dec. 22, 1881 to A H. Mattox of the Cincinnati Society of Ex-Army & Navy Officers. Sheridan has received an invitation to a banquet to be held by the organization, and regrets that other duties will prevent him from attending.