Columbia subject headings:
Harvard subject headings:
Families--England--London--History.
London (England)--Economic conditions.
London (England)--Social conditions.
London (England)--Social life and customs--17th century.
London (England)--Social life and customs--18th century.
Middle class--England--History.
Middle class--England--London--History--17th century.
Middle class--England--London--History--18th century.
Princeton subject headings:
London (England)--Social conditions.
Middle class--England--London--History--17th century.
Middle class--England--London--History--18th century.