Columbia subject headings:
Marginality, Social--Mexico.
Mexico--History--19th century.
Popular culture--Mexico.
Poverty--Mexico.
Harvard subject headings:
Marginality, Social--Mexico.
Mexico--History--19th century
Popular culture--Mexico
Poverty--Mexico
Princeton subject headings:
Marginality, Social--Mexico.
Mexico--History--19th century.
Popular culture--Mexico.
Poverty--Mexico.