Columbia subject headings:
Harvard subject headings:
São Francisco River (Minas Gerais-Alagoas and Sergipe, Brazil)--Pictorial works.
São Francisco River Valley (Minas Gerais-Alagoas and Sergipe, Brazil)--Pictorial works.
Princeton subject headings:
São Francisco River (Minas Gerais-Alagoas and Sergipe, Brazil)--Pictorial works.
São Francisco River Valley (Minas Gerais-Alagoas and Sergipe, Brazil)--Pictorial works.