Engels, Friedrich, 1820-1895
Anti-duhring herr eugen duhring`s revolution in sciencec / Frederick Engels
Foreign Languages Publishing House, 1954
 Buku Teks
Norris, Pippa
Sacred and Secular / Pippa Norris
Cambridge University Press, 2004
 Buku Teks
Trungpa, Chogyam
Shambhala : sacred path of the warrior
Shambhala, 2003
 Buku Teks
Cowan, James
Sacred places in Australia
Simon & Schuster, 1991
 Buku Teks
Spindel, Carol.
In the shadow of the sacred grove / Carol Spindel.
Vintage Books, 1989
 Buku Teks