Columbia subject headings:
Child health services--Great Britain--History--20th century.
Child health services--Netherlands--History--20th century.
Children--Health and hygiene--Great Britain--History--20th century.
Children--Health and hygiene--Netherlands--History--20th century.
Harvard subject headings:
Child health services--Great Britain--History--20th century.
Child health services--Netherlands--History--20th century.
Children--Health and hygiene--Great Britain--20th century.
Children--Health and hygiene--Great Britain--History--20th century.
Children--Health and hygiene--Netherlands--History--20th century.
Princeton subject headings:
Child health services--Great Britain--History--20th century.
Child health services--Netherlands--History--20th century.
Children--Health and hygiene--Great Britain--History--20th century.
Children--Health and hygiene--Netherlands--History--20th century.