"[Sutton] presents an extensive study that for the first time focuses on psychoanalysis and biological sexology, not as competitors, but as complementary and fruitful concepts. She does not neglect the differences and disagreements between the disciplines and their representatives, but puts them in a different light by highlighting the connecting goals of sex research and psychoanalysis."—Zeitschrift für Geschichtswissenschaft (Journal of Historiography), translated from German