Hohendorf, G., Beyer, C., Thiel, J., & Rotzoll, M. The murder of patients in National Socialism: An overview. Tiergartenstrasse 4 : memorial and information point for the victims of National Socialist "euthanasia" killings.

Hohendorf, Gerrit, Christof Beyer, Jens Thiel, and Maike Rotzoll. "The Murder of Patients in National Socialism: An Overview." Tiergartenstrasse 4 : Memorial and Information Point for the Victims of National Socialist "Euthanasia" Killings .

Hohendorf, Gerrit, et al. "The Murder of Patients in National Socialism: An Overview." Tiergartenstrasse 4 : Memorial and Information Point for the Victims of National Socialist "Euthanasia" Killings, .