Columbia subject headings:
Economics--Sociological aspects.
Migrant labor--California--San Francisco--Social conditions.
Migrant labor--Mexico--Social conditions.
Migrant labor--Spain--Granada--Social conditions.
Sex discrimination against women--Economic aspects.
Women migrant labor--California--San Francisco--Social conditions.
Women migrant labor--Mexico--Social conditions.
Women migrant labor--Spain--Granada--Social conditions.
Harvard subject headings:
Economics--Sociological aspects
Migrant labor--California--San Francisco--Social conditions.
Migrant labor--Mexico--Social conditions.
Migrant labor--Spain--Granada--Social conditions.
Sex discrimination against women--Economic aspects.
Women migrant labor--California--San Francisco--Social conditions.
Women migrant labor--Mexico--Social conditions.
Women migrant labor--Spain--Granada--Social conditions.
Princeton subject headings:
Economics--Sociological aspects.
Migrant labor--California--San Francisco--Social conditions.
Migrant labor--Mexico--Social conditions.
Migrant labor--Spain--Granada--Social conditions.
Sex discrimination against women--Economic aspects.
Women migrant labor--California--San Francisco--Social conditions.
Women migrant labor--Mexico--Social conditions.
Women migrant labor--Spain--Granada--Social conditions.