TY  - BOOK
AU  - Harnack, Adolf
AU  - Saunder, Thomas Bailey
AU  - Bultmann, Rudolf, (1884-1976)
AU  - What is christianity?
TI  - What is christianity? 
PY  - 1957///
CY  - New York 
PB  - Harper & Brother 
KW  - Doctrinal theology
ER  -