Christologische Formeln und Lieder des Urchristentums - Wengst, Klaus. (OLS)http://ftis/name/54199 (Gütersloher Verlagshaus,, 1972)

What is Religion? : Origins, Definitions, and Explanations - Wilson, Brian C. (OLS)http://ftis/name/68503; Idinopulos, Thomas A. (OLS)http://ftis/name/68502 (Brill,, 1998)