Curtius, Ernst Robert, 1886-1956
European literature and the Latin middle ages
Pantheon Books, 1953
 Buku Teks SO
Bethencourt, Francisco
Historia da expansao Portuguesa : a formaqao do imperio (1415-1570)
Temas E. Debates, 1998
 Buku Referensi
Arnold, David
The age of discovery 1400-1600
Routledge, 1994
 Buku Teks SO
Hale, John R.
Age of exploration
Time-Life Books, 1974
 Buku Teks SO
The legacy of the middle ages
edited by C.G. Crump and E.F. Jacob
Clarendon Press, 1951
 Buku Teks SO