Columbia subject headings:
Agricultural laborers--Nigeria--Ibadan Region.
Agriculture--Economic aspects--Nigeria--Ibadan Region.
Food supply--Nigeria--Ibadan Region.
Yoruba (African people)--Agriculture.
Yoruba (African people)--Nigeria--Ibadan Region.
Harvard subject headings:
Agricultural laborers--Nigeria--Ibadan Region.
Agriculture--Economic aspects--Nigeria--Ibadan Region.
Agriculture--Economic aspects--Nigeria--Ibadan.
Agriculture--Social aspects--Nigeria--Ibadan.
Food supply--Nigeria--Ibadan Region.
Food supply--Nigeria--Ibadan.
Yoruba (African people)--Agriculture.
Yoruba (African people)--Nigeria--Ibadan Region.
Princeton subject headings:
Agricultural laborers--Nigeria--Ibadan Region.
Agriculture--Economic aspects--Nigeria--Ibadan Region.
Food supply--Nigeria--Ibadan Region.
Yoruba (African people)--Agriculture--Nigeria--Ibadan Region.