Hoffman, Ross J.S.
Medieval history
Littlefield, Adams, 1958
 Buku Teks SO
Hoffman, Ross J.S.
Medieval history
Littlefield, Adams, 1958
 Buku Teks SO
Rickard, J.A.
Ancient, medieval & modern history
Barnes & Noble, 1952
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Hollister, C. Warren
Medieval Europe : a short history
John Wiley & Sons, 1968
 Buku Teks SO
Scott, Jonathan F.
Readings in medieval history
Appleton Century Croffs, 1933
 Buku Teks SO