Herman, A.L.
A brief introduction to Hinduism : religion, philosophy, and ways of liberation
Westview Press, 1991
 Buku Referensi
Bard, Kathryn A.
An introduction to the archaeology of ancient egypt
Blackwell Publishing, 2008
 Buku Teks
Savitri Devi
Son of the Sun the life and philosophy of Akhnaton, King of Egypt
Supreme Grand Lodge of AMORC, 1956
 Buku Teks
Maritain, Jacques, 1882-1973
An introduction to philosophy
Rowman &​ Littlefield Publishers, 2005
 Buku Teks SO
Hales, Steven D.
This is philosophy: an introduction
Wiley Balckwell, 2013
 Buku Teks SO