Sichel, Edith
The Renaissance / Edith Sichel
Oxford University Press, 1959
 Buku Teks
Sitwell, Edith
Victoria of England / by Edith Sitwell
Faber and Faber, [1949]
 Buku Teks
Hoffman, Ross J.S.
Medieval history
Littlefield, Adams, 1958
 Buku Teks
O`Sullivan, Jeremiah Francis, 1903-
Medieval Europe
Appleton Century Croffs, 1943
 Buku Teks
Marcucci, Luisa
Medieval painting
Studio Books , 1960
 Buku Referensi