Hoffman, Ross J.S.
Medieval history
Littlefield, Adams, 1958
 Buku Teks SO
Hoffman, Ross J.S.
Medieval history
Littlefield, Adams, 1958
 Buku Teks SO
Medieval philosophy : essential readings with commentary
Gyula Klima, Fritz Allhoff, Anand Vaidya
BlackWell Publishing, 2007
 Buku Teks SO
Rickard, J.A.
Ancient, medieval & modern history
Barnes & Noble, 1952
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McGarry, Daniel D.
Outline of medieval history
Littlefield, Adams, 1968
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