'Very rare. C.P.Oberndorf edited and translated Breuer's autobiography in the Int. J. [f.] Psychoanalysis, vol. xxxiv, no. 1, p. 64 - 67, Part I, 1953. Oberndorf states that "only four copies are presumed to exist" and "A copy of Breuer's [auto] biography is one of the treasures of the [N.Y. Psychiatric] Institute's Library.' cf : http://www.find-a-book.com/db/book1091_676.html