Câmara Municipal, ed. (2011). "Sintra e a sua Historia" (in Portuguese). Sintra, Portugal: Câmara Municipal de Sintra. Archived from the original on 7 August 2011. Retrieved 10 October 2011.
Junta Freguesia, ed. (2011). "História" (in Portuguese). Estoril (Cascais), Portugal: Junta Freguesia de Estoril. Archived from the original on 7 October 2011. Retrieved 8 February 2012.
Câmara Municipal, ed. (2011). "Sintra e a sua Historia" (in Portuguese). Sintra, Portugal: Câmara Municipal de Sintra. Archived from the original on 7 August 2011. Retrieved 10 October 2011.
Junta Freguesia, ed. (2011). "História" (in Portuguese). Estoril (Cascais), Portugal: Junta Freguesia de Estoril. Archived from the original on 7 October 2011. Retrieved 8 February 2012.
