This folder contains: "The Dr. Henriette Mertz Collection" in the Institute Newsletter, vol. 7, # 5, 1991 "Ancient Language Puzzles in America May Prove Columbus Wasn't First" by Keith Coulbourn, November 25, 1973 "A Study in the Techniques of Neolithic Bone Tool Making at Chirand and Their Probable Uses" by Lala Aditya Narain, 1974 Photos.