Breazeale, K. “Leonor De Seabra, The embassy Of Pero Vaz De Siqueira To Siam (1684–1686) Macau, University of Macau, 2005”. The Journal of the Siam Society, vol. 97, Nov. 2009, pp. 234-7, https://so06.tci-thaijo.org/index.php/pub_jss/article/view/158280.