program for desingularizing algebraic curves, an approach he contrasted with his own.[^17] His report also addressed in great detail the contributions of Karl Weierstrass, which required many references to unpublished results from the latter’s lecture courses. Since the 1870s, Noether and Klein had both studied Weierstrass’ work very avidly by means of various [*Ausarbeitungen*]{} made by his students in Berlin. In many instances, these served as the basis for various priority claims made by Weierstrass, but especially by his closer associates.

Noether thus had every reason to take Klein’s overlooked letter from 1869 quite seriously. Surely he felt very relieved to learn that Klein had no intention at all of raising a priority claim. Probably Klein never imagined that Noether should consider revising his report in order to bring out these early discussions of “Clebsch’s Theorem,” but since Noether raised this possibility himself, Klein now made a simple suggestion in this direction:[^18]

> This is truly a very strange situation. I did not want to direct any priority claim against you recently, all the less so as I had myself completely forgotten the contents of my letter, insofar as it stood in competition with your works. My intention was only 