Legouis, Emile
A history of English literature: the middle ages and the Renascence, 650-1660
J.M. Dent and Sons, 1948
 Buku Teks SO
Salzman, L.F.
English life in the middle ages
Oxford University Press, 1955
 Buku Teks SO
Curtius, Ernst Robert, 1886-1956
European literature and the Latin middle ages
Pantheon Books, 1953
 Buku Teks SO
Turville-Petre, Thorlac
Reading middle english literature
Blackwell Publishing, 2007
 Buku Teks SO
Jin`ichi Konishi
A history of Japanese literature vol.2: The high middle Ages
Princeton University Press, 1986
 Buku Teks SO