Columbia subject headings:
Ilocos Norte (Philippines)--Emigration and immigration.
Ilokanos (Philippine people)--Commerce.
Ilokanos (Philippine people)--Religion.
Ilokanos (Philippine people)--Social conditions.
Harvard subject headings:
Ilocos Norte (Philippines)--Emigration and immigration.
Ilokanos (Philippine people)--Commerce.
Ilokanos (Philippine people)--Religion.
Ilokanos (Philippine people)--Social conditions.
Princeton subject headings:
Ilocos Norte (Philippines)--Emigration and immigration.
Ilokanos (Philippine people)--Commerce.
Ilokanos (Philippine people)--Religion.
Ilokanos (Philippine people)--Social conditions.