Columbia subject headings:
Agriculture and state--Philippines.
Coconut industry--Philippines.
Fruit trade--Philippines.
Produce trade--Philippines.
Sugar trade--Philippines.
Harvard subject headings:
Agriculture and state--Philippines.
Coconut industry--Philippines.
Fruit trade--Philippines.
Produce trade--Philippines.
Sugar trade--Philippines.
Princeton subject headings:
Agriculture and state--Philippines.
Coconut industry--Philippines.
Fruit trade--Philippines.
Produce trade--Philippines.
Sugar trade--Philippines.