Columbia subject headings:
Educational equalization--Latin America.
Educational equalization--Mexico.
Equality--Latin America.
Equality--Mexico.
Equality--Spain.
Mexico--Race relations--History.
Mexico--Race relations.
Racism--Mexico--History.
Harvard subject headings:
Educational equalization--Latin America.
Educational equalization--Mexico.
Equality--Latin America
Equality--Mexico.
Equality--Spain.
Mexico--Race relations--History.
Racism--Mexico--History.
Princeton subject headings:
Educational equalization--Latin America.
Educational equalization--Mexico.
Equality--Latin America.
Equality--Mexico.
Equality--Spain.
Mexico--Race relations--History.
Mexico--Race relations.
Racism--Mexico--History.