A book on the subject (dissertation probably) was written by Michael J.Gray, titled "The Business of Captivity in the Chenung Valley: Elmira and its Civil War Prison." Gray's address is l271 Hunters Lake Drive East, Cayahoga Falls,Ohio, 44221. Phone: 330/928-3874. Milton M. Klein | phone: (423) 974-2806 University of Tennessee, Knoxville | email: [log in to unmask]