Columbia subject headings:
Europe--Intellectual life--18th century--Congresses.
Europe--Social conditions--18th century--Congresses.
Household employees--Europe--History--18th century--Congresses.
Harvard subject headings:
Eighteenth century--Social conditions.
Europe--Intellectual life--18th century--Congresses.
Europe--Social conditions--18th century--Congresses.
Household employees in literature
Household employees--Europe--History--18th century--Congresses.
Household employees--Europe--History--18th century.
Social classes--Europe--History--18th century.
Princeton subject headings:
Europe--Intellectual life--18th century--Congresses.
Europe--Social condtions--18th century--Congresses.
Household employees--Europe--History--18th century--Congresses.