What would you say are the top ten German works in New Testament studies that should be translated into English? I’m thinking particularly of classic works.

Top of my head, these come to mind:

Adolf Jülicher, Die Gleichnisreden Jesu.
H.J. Holtzmann, Die Synoptischen Evangelien.
Adolf Schlatter, Der Glaube im Neuen Testament.
Martin Hengel, Jesus und das Judentum