James M. Robinson & Helmut Koester 
Trajectories through Early Christianity [PDF ebook] 

Contents
1 Introduction: The Dismantling and Reassembling of the Categories of New Testament Scholarship
2 Kerygma and History in the New Testament
3 LOGOI SOPHON: On the Gattung of Q
4 GNOMAI DIAPHOROI: The Origin and Nature of Diversification in the History of Early Christianity
5 One Jesus and Four Primitive Gospels
6 The Structure and Criteria of Early Christian Beliefs
7 The Johannine Trajectory
8 Conclusion: The Intention and Scope of Trajectories

Circa l’autore