Birmingham, David
A concise history of Portugal
Cambridge University Press, 1993
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Livermore, H.V.
A New history of Portugal
Cambridge University Press, 1969
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Disney, A.R
A history of Portugal and the Portuguese empire
Cambridge University Press, 2009
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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