Early research on the Holocaust was characterized by studies of the extermination of the Jews without other victims of the Nazi policy of extermination being included. In the past twenty years, there has been a greater focus on such topics as prisoners of war and forced labourers in the Third Reich among scholars. This development of a wider perspective in research topics has revealed a need for more primary research. Based on this viewpoint, it was established that a need existed to expand the historical perspective by connecting the Holocaust with the treatment of prisoners of...