1. New York Times: 37 (2 1 1975).
2. U.S. Census of Population 1950 Characteristics of the Population 1952 2
3. U.S. Census of Population 1960 Characteristics of the Population 1963 1
4. U.S. Census of Population 1970 Characteristics of the Population 1973 1
5. Vital Statistics Selected Reports 1961 47 9