Palmer, Spencer J.
Confucian rituals in Korea / Spencer J. Palmer
Po Chim Chai, 1986
 Buku Teks
Christianity in Korea
edited by Robert E. Buswell, and Tomothy S. Lee
University of Hawai'i Press, 2006
 Buku Teks
Spencer, Donald D.
Problem solving with fortran / by Donald D. Spencer
Prentice-Hall, 1977
 Buku Teks
Triningham, J. Spencer
Islam in West Africa / J. Spencer Trimingham
At The Clarendon Press, 1959
 Buku Teks
Carpenter, S. C.
Christianity
Melbourne Penguin Books 1953
 Buku Teks