Columbia subject headings:
Harvard subject headings:
Great Britain--Social conditions--19th century.
Great Britain--Social conditions--20th century.
Hygiene--Great Britain--History--19th century.
Hygiene--Great Britain--History--20th century.
Hygiene--Social aspects--Great Britain--History--19th century.
Hygiene--Social aspects--Great Britain--History--20th century.
Sanitation--Great Britain--History--19th century.
Sanitation--Great Britain--History--20th century.
Princeton subject headings:
Great Britain--Social conditions--19th century.
Great Britain--Social conditions--20th century.
Hygiene--Great Britain--History--19th century.
Hygiene--Great Britain--History--20th century.
Hygiene--Social aspects--Great Britain--History--19th century.
Hygiene--Social aspects--Great Britain--History--20th century.
Sanitation--Great Britain--History--19th century.
Sanitation--Great Britain--History--20th century.