The Tenth National Conference on Mental Retardation will be held in Quebec City, P.Q., Canada, on September 19 to 22, 1967. The conference, on the theme "The Challenge of the Next Decade," will consider early management and family services; childhood and adolescent phase; adult programming; and services—integration versus segregation. Guest speakers will include: Dr. Richard Koch, Los Angeles, California; Dr. B. Goldberg, London, Ontario; Dr. W. Usdane, Washington, D.C.; and Rabbi S. E. Rosenberg, Toronto, Ontario. Dr. Gunnar Dybwad, Boston, Massachusetts, will summarize the proceedings.