Columbia subject headings:
Mexicans--Illinois--Chicago--Economic conditions--20th century.
Mexicans--Illinois--Chicago--Social conditions--20th century.
Mexicans--Illinois--Chicago--Social life and customs--20th century.
Harvard subject headings:
Mexicans--Illinois--Chicago--Economic conditions--20th century.
Mexicans--Illinois--Chicago--Social conditions--20th century.
Mexicans--Illinois--Chicago--Social life and customs--20th century.
Princeton subject headings:
Mexicans--Illinois--Chicago--Economic conditions--20th century.
Mexicans--Illinois--Chicago--Social conditions--20th century.
Mexicans--Illinois--Chicago--Social life and customs--20th century.