Columbia subject headings:
Architecture, Brazilian--Benin.
Architecture, Brazilian--Nigeria.
Architecture--Benin.
Architecture--Nigeria.
Harvard subject headings:
Architecture, Brazilian--Benin.
Architecture, Brazilian--Nigeria.
Architecture--Benin.
Architecture--Nigeria.
Princeton subject headings:
Architecture, Brazilian--Benin.
Architecture, Brazilian--Nigeria.
Architecture--Benin.
Architecture--Nigeria.