 Stein campaigned to be allowed to register for a Habilitation, hitherto denied to women. She applied to Göttingen in 1919 but was rejected. Husserl’s letter of recommendation of 6 February 1919 (Husserl 1994: 548–549) was not particularly supportive. She wrote a major study intended as her Habilitation thesis, Beiträge zur philosophischen Begründung der Psychologie und der Geisteswissenschaften (1922), published in Husserl’s Jahrbuch.