World Health Organization Technical Report Series No. 146 : Expert Committee on Water Fluoridation, First Report, 1958 Box 32 Date: 1958
World Health : The Magazine of the World Health Organization, January 1975 Box 40 Unit ID: 262.5 Date: January 1975
World Hellenic bio-medical conferences (1994-2000)/9th Hellenic conference on radiology, Athens, Apr. 6-10, 1993 Box 124 Unit ID: 21 Date: Apr. 6-10, 1993