Columbia subject headings:
Harvard subject headings:
Curitiba (Brazil)--History--20th century.
Curitiba (Brazil)--Social conditions--20th century.
Social change--Brazil--Curitiba.
Princeton subject headings:
Curitiba (Brazil)--History--20th century.
Curitiba (Brazil)--Social conditions--20th century.
Social change--Brazil--Curitiba.