United States: exploratory studies of Negro family formation--factors relating to illegitimacy.
D000028:Abortion, Induced; D000293:Adolescent; D000300:Adoption; D000328:Adult; D001741:Black or African American; D001290:Attitude; D003075:Coitus; D003267:Contraception / Q000706:statistics & numerical data; D005190:Family; D005260:Female; D005306:Fertilization; D006801:Humans; D007086:Illegitimacy; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D009014:Morals; D010287:Parent-Child Relations; D011247:Pregnancy; D012725:Sexual Behavior; D014481:United States