The Allied High Commission assumed responsibility of the International Tracing Service on 1 April 1951.

The Allied High Commission assumed responsibility of the International Tracing Service on 1 April 1951. Located at Arolsen, near Kassel, the agency was operated by the International Refugee Organization for the past three years. Colored chart, captured at Dachau Concentration Camp, show insignia worn by inmates of all camps. They are devided in six groups: political, criminals, emigrants, Jehovaw's Witnesses, homosexuals, and (two types) lazy.