Harnack, Adolf von, 1851-1930 What is christianity? : lectures delivered in the University of Berli during the Winter-Term 1899-1900 / by Adolf Harnack ; translated into english by Thomas Bailey Saunders - 2nd. rev. - New York : G. P. Putnam's sons, 1906. - 322 p. ; 20 cm. Subjects--Topical Terms: Cristianismo - Esencia, genio, naturaleza Dewey Class. No.: 230 H289w2