Hamilton, Alexander, author
New York The Liberal Arts Press 1957
Buku Teks
Al Shawni, Daud Ibn Ibrahim, author
Dastan Books, 2006
Buku Teks
Harris, J. Gordon, author
The Haworth Press, 2008
Buku Teks
Hughes, Gerard J.
Routledge, 1995
Buku Teks
Augustine, Saint, author
Y.M. Dent & Sons, 1945
Buku Teks