"What Role Church has done for the country, by Cardinal Gibbons," [n.d.].
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/ [1/10/15] Handwritten notation on blank envelope; including "and commented by I.C.B.U. journal."