Afonso de Albuquerque (1557), Commentarios Dafonso Dalboquerque, capitam geral & gouernador da India [1774 Port. ed. trans. 1875–84 by Walter de Gray Birch, as The Commentaries of the great Afonso Dalboquerque, second viceroy of India, 4 volumes, London: Hakluyt Society]
João de Barros (1552–59) Décadas da Ásia: Dos feitos, que os Portuguezes fizeram no descubrimento, e conquista, dos mares, e terras do Oriente..
Gaspar Correia (c. 1550s) Lendas da Índia [first pub. 1858–64)
Fonseca, L.A. (2008) "The Portuguese Military orders and the Oceanic Navigations: From piracy to empire (Fifteenth to early Sixteenth Centuries)", in J.M. Upton-Ward, editor The Military Orders: On Land and by Sea. Aldershot: Ashgate.
Mattoso, Jose (2007) D. Afonso Henriques. Lisbon: Circulo de Leitores.
Subrahmanyam, S. (1997) The Career and Legend of Vasco da Gama. Cambridge, UK: Cambridge University Press.
Tagore, Sourindro Mohun, The orders of knighthood, British and foreign, Catholic Orphan Press, 1884.
Pranala luar
Homepage of the order, with pictures of the badges and explanation of the several grades (Portugis)
The Cross of Saint James, history of the St James' Cross used by the Order of St James of the Sword (Inggris)