OLUFSEN, O. The Brazilians and their Country by Clayton Sedgwick Cooper. With map and many illustrations. London 1919. William Heinemann. Geografisk Tidsskrift, [S. l.], v. 26, 1922. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/47184. Acesso em: 4 maj. 2024.