Columbia subject headings:
Foreign workers--Brazil--São Paulo--History--19th century.
Foreign workers--Brazil--São Paulo--History--20th century.
Freed persons--Brazil--São Paulo--History--19th century.
Freed persons--Brazil--São Paulo--History--20th century.
Labor market--Brazil--São Paulo--History--19th century.
Labor market--Brazil--São Paulo--History--20th century.
Poverty--Brazil--São Paulo--History--19th century.
Poverty--Brazil--São Paulo--History--20th century.
São Paulo (Brazil)--History.
Harvard subject headings:
Informal sector (Economics)--Brazil--São Paulo--History.
Labor market--Brazil--São Paulo--History.
Poor--Brazil--São Paulo--History.
Working class--Brazil--São Paulo--History.
Princeton subject headings:
Informal sector (Economics)--Brazil--São Paulo.
Labor market--Brazil--São Paulo--History.
Poor--Brazil--São Paulo.
Poor--Employment--Brazil--São Paulo.
Poverty--Brazil--São Paulo--History.
São Paulo (Brazil)--History.