Cardoso, Alírio, "The conquest of Maranhão and Atlantic disputes in the geopolitics of the Iberian Union (1596-1626)"

Cardoso, Alírio, "The conquest of Maranhão and Atlantic disputes in the geopolitics of the Iberian Union (1596-1626)" Revista Brasileira de História, vol.31 no.61 São Paulo 2011, On-line version ISSN 1806-9347