Child development -- Study and teaching.

Correspondence, course outlines, trip reports, questionnaires, memoranda and other papers deriving from Dr. Wylie's professional work in child development and family studies, including twin studies and the Cornell child study clubs; includes some personal correspondence, as with Flora Rose.

Sex education, family life education, and child development pamphlets, broadsides, comics, and brochures designed for teenagers, pre-teens, and parents; issued by the American Social Hygiene Association, the American Social Health Association, F. E. Compton & Co., the Minnesota Dept. of Health, and others. Topics also include prostitution, sexually transmitted diseases, heterosexual dating, and marriage.