Smithsonian Institution Archives, Record Unit 371, Box 1, "The Torch," January-February 1967, p. 1.
Annual Report of the Smithsonian Institution for the year 1967. Washington, D.C.: Smithsonian Institution, 1967, p. 435.
Summary:
The Smithsonian Associates presents its first lecture for children, an illustrated talk by Dr. William Melson of the Department of Mineral Sciences. The talk was attended by nearly 600 children between the ages of six and ten years of age.