Book review Sigmund Freud – Oskar Pfister. Briefwechsel 1909-1939. Herausgegeben von Isabelle Noth Thomas von Salis DOI: https://doi.org/10.4414/sanp.2016.00381 Publication Date: 13.01.2016 Swiss Arch Neurol Psychiatr Psychother. 2016;167(01):37-38 This text is only available as PDF .