Black fertility in decline: urban differentials in 1900.
D000293:Adolescent; D000328:Adult; D001741:Black or African American / Q000266:history*; D000368:Aged; D002648:Child; D005260:Female; D005298:Fertility; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States; D014505:Urban Population