Sadism and masochism : the psychology of hatred and cruelty / by Wilhelm Stekel, M.D. Authorized English version by Louise Brink.

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Sadism and masochism : the psychology of hatred and cruelty / by Wilhelm Stekel, M.D. Authorized English version by Louise Brink. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.