Barreto, Luis Filipe
Portugal : pioneiro do dialogo Norte-Sul pionnier du dialogue Nord-Sud a pioneer of the North-South dialogue / Luis Filipe Barreto
Imprensa Nacional, 1988
 Buku Referensi
Jackson, K. David
Builders of the Oceans / K. David Jackson; painting, Ilda David
Portuguese Pavilion Expo'98, 1997
 Buku Teks
Chaunu, Pierre
European expansion in the later Middle Ages / by Pierre Chaunu
North-Holland Publishing, 1979
 Buku Teks
Arnold, David
The age of discovery 1400-1600
Routledge, 1994
 Buku Teks
Hale, John R.
Age of exploration
Time-Life Books, 1974
 Buku Teks SO