Columbia subject headings:
Architecture, Colonial--Protection--Brazil--Ouro Preto (Minas Gerais)
Ouro Preto (Minas Gerais, Brazil)--Buildings, structures, etc.
Ouro Preto (Minas Gerais, Brazil)--History.
Harvard subject headings:
Architecture, Colonial--Protection--Brazil--Ouro Preto (Minas Gerais)
Historic buildings--Conservation and restoration--Brazil--Ouro Preto (Minas Gerais)
Ouro Preto (Minas Gerais, Brazil)--Buildings, structures, etc.
Ouro Preto (Minas Gerais, Brazil)--History.
Princeton subject headings:
Architecture, Colonial--Protection--Brazil--Ouro Preto (Minas Gerais).
Ouro Preto (Minas Gerais, Brazil)--Buildings, structures, etc.
Ouro Preto (Minas Gerais, Brazil)--History.