Sum of Christianity was created in 1536.
Atheism in Christianity was created in 1972.
The Essence of Christianity was created in 1841.
Introduction to Christianity was created in 1968.
Mere Christianity was created in 1952.
Practice in Christianity was created in 1850.
Foundations of Christianity was created in 1908.
Simple Sum was created in 2007.
Center for Progressive Christianity was created in 1996.
Studies in World Christianity was created in 1995.
The Sum of All Fears was created in 1991.
Sum Mo Chikan was created in 2007.
Wah Sum Estate was created in 1995.