Disney, A.R
A history of Portugal and the Portuguese empire
Cambridge University Press, 2009
 Buku Teks
Livermore, H.V.
A New history of Portugal
Cambridge University Press, 1969
 Buku Teks
Birmingham, David
A concise history of Portugal
Cambridge University Press, 1993
 Buku Teks
Torga, Miguel
Portugal
Rua Cintura do Porto, 2003
 Buku Referensi
Disney, A. R. (Anthony R.), 1938-
A history of Portugal and the Portuguese empire : from beginnings to 1807. Volume 2, The Portuguese empire
Cambridge University Press, 2009
 Buku Teks