1. 1. The World Almanac 1966 (U. S. Government Sources), Pub. N. Y. World-Telegram, N. Y..
2. Vital Statistics of the U. S.;Natality,1963
3. 3. Unmarried Mothers, Immorality and the A.D.C., Perlman, H. H.-Annual Conference of Florence Crittenton Assoc, Cleveland, May 21, 1963.
4. 4. U. S. Public Health Service Reports 1954 to 1965.