Columbia subject headings:
Harvard subject headings:
Household employees--Argentina--Buenos Aires--Social conditions--19th century.
Household employees--Argentina--Buenos Aires--Social conditions--20th century.
Princeton subject headings:
Household employees--Argentina--Buenos Aires--History--19th century.
Household employees--Argentina--Buenos Aires--History--20th century.
Household employees--Argentina--Buenos Aires--Social conditions--19th century.
Household employees--Argentina--Buenos Aires--Social conditions--20th century.