Columbia subject headings:
Brazil--Social conditions--Periodicals.
Social history--Periodicals.
São Paulo (Brazil : State)--Social conditions--Periodicals.
Harvard subject headings:
São Paulo (Brazil : State)--Social conditions--Periodicals.
Social history--Brazil--Periodicals.
Social history--Periodicals
Princeton subject headings:
Periodicals.
São Paulo (Brazil : State)--Social conditions--Periodicals.
Social history--Brazil--Periodicals.