Retardation, United States President's Committee on Mental (1978). Hello World!. Department of Health, Education, and Welfare, Office of Human Development Services, President's Committee on Mental Retardation.
Mills, Barbara Kleban, "A Childhood Friendship Turns to Love, and Muriel Humphrey Plans to Be Married", People Magazine, February 16, 1981 (Vol. 15 No. 6)[1]Archived February 3, 2011, at the Wayback Machine
Mills, Barbara Kleban, "A Childhood Friendship Turns to Love, and Muriel Humphrey Plans to Be Married", People Magazine, February 16, 1981 (Vol. 15 No. 6)[1]Archived February 3, 2011, at the Wayback Machine