These materials are owned by the American Catholic Historical Society and maintained at the Philadelphia Archdiocesan Historical Research Center, 100 E. Wynnewood Rd. Wynnewood, PA 19096. For more information please see: http://www.pahrc.net [1/1/5] On Tabernacle Society letterhead. Contains manuscript fragment of the last cassock of Pope Pius IX. Sent to Philadelphia. Contains a second letter.