Niebuhr, Reinhold
The nature and destiny of man: a Christian interpretation
Nisbet & Co., 1946
 Buku Teks
Niebuhr, Reinhold
Faith and history comparison of Christian and modern views of history
Charles Scribner's Sons, 1949
 Buku Teks
Kyoung, Bae-min 1934-
A history of Christian Churches in Korea / by Kyoung, Bae-min
Yonsei University Press , 2005
 Buku Teks
Beasley, Norman
The Cross and the crown: the history of Christian science / Norman Beasley
Buell, Sloan and Pearce, 1952
 Buku Teks
Seligman, Edwin R.A.
The economic interpretation of history / Edwin R.A. Seligman
Columbia University Press, 1949
 Buku Teks