Columbia subject headings:
City planning--Nigeria--Lagos--History.
Fortification--Nigeria--Lagos--History.
Lagos (Nigeria)--History.
Urbanization--Nigeria--Lagos--History.
Harvard subject headings:
City planning--Nigeria--Lagos--History.
Fortification--Nigeria--Lagos--History.
Lagos (Nigeria)--History.
Urbanization--Nigeria--Lagos--History.
Princeton subject headings:
City planning--Nigeria--Lagos--History.
Fortification--Nigeria--Lagos--History.
Lagos (Nigeria)--History.
Urbanization--Nigeria--Lagos--History.