In 1906, he published Geschichte der Leben-Jesu-Forschung [History of Life-of-Jesus research]. This book, which established his reputation, was first published in English in 1910 as The Quest of the Historical Jesus. Under this title the book became famous in the English-speaking world. A second German edition was published in 1913, containing theologically significant revisions and expansions: this revised edition did not appear in English until 2001. In 1931, he published Mystik des Apostels Paulus (The Mysticism of Paul the Apostle); a second edition was published in 1953.
in 1906 he published geschichte der leben-jesu-forschung [history of life-of-jesus research] this book which established his reputation was first published in english in 1910 as the quest of the historical jesus under this title the book became famous in the english-speaking world a second german edition was published in 1913 containing theologically significant revisions and expansions this revised edition did not appear in english until 2001 in 1931 he published mystik des apostels paulus (the mysticism of paul the apostle); a second edition was published in 1953