Columbia subject headings:
Harvard subject headings:
Birth control--England--Bradford (West Yorkshire)--History--19th century.
Families--England--19th century.
Family size--England--Bradford (West Yorkshire)--History--19th century.
Sex--History--19th century.
Work--History--19th century.
Working class families--England--Bradford (West Yorkshire)--History--19th century.
Princeton subject headings:
Birth control--England--Bradford (West Yorkshire)--History--19th century.
Family size--England--Bradford (West Yorkshire)--History--19th century.
Working class families--England--Bradford (West Yorkshire)--History--19th century.