Hartheim castle, a euthanasia killing center where people with physical and mental disabilities were killed by gassing and lethal injection. Hartheim, Austria, date uncertain. Photograph »

Cemetery at Hadamar where victims of euthanasia killing at Hadamar were buried. This photograph was taken toward the end of the war. Hadamar, Germany, April 1945. Photograph »

Two pages of the death registry at Hadamar listing false causes of death. Thousands of the physically and mentally disabled were killed there as part of the Euthanasia Program. Germany, April 5, 1945. Photograph »

This photo originates from a film produced by the Reich Propaganda Ministry. It shows two doctors in a ward in an unidentified asylum. The existence of the patients in the ward is described as "life only as a burden." Such propaganda images were intended to develop public sympathy for the Euthanasia Program. Photograph »

A US Army soldier views the cemetery at the Hadamar Institute, where victims of the Nazi euthanasia program were buried in mass graves. This photograph was taken by an American military photographer soon after the liberation. Germany, April 5, 1945. Photograph »