Columbia subject headings:
Communists--Mexico.
Social movements--Mexico.
Harvard subject headings:
Communism--Mexico--Distrito Federal--History--20th century.
Distrito Federal (Mexico)--Social conditions--20th century.
Rent strikes--Mexico--Distrito Federal--History--20th century.
Princeton subject headings:
Communism--Mexico--Distrito Federal--History--20th century.
Distrito Federal (Mexico)--Social conditions--20th century.
Rent strikes--Mexico--Distrito Federal--History--20th century.