This thesis deals with the Bundesverband Deutscher Schriftsteller-Ärzte e.V.(National Association of German Writing Doctors), its library and its authors. The association was founded in 1969. At its peak, it gathered more than 250 physician writers of varying recognition. Based on the source-critical analysis of library inventories, archive materials and interviews, the history of the association and biographies of selected BDSÄ-authors are scientifically reconstructed. Particularly in the biographies of Alfred Rottler (1912-2006), Heinz Wunderlich (1907-1990) und Heinz Schauwecker (1894-1977) it becomes obvious that the Bundesverband Deutscher Schriftsteller-Ärzte e.V. is a heterogeneous group. Furthermore, this thesis makes the BDSÄ-library in Bad Nauheim more accessible for further research. It is shown that this unique collection of physician literature gathers books from three centuries. It is important for German culture as well as for medical history.