Prisoners at forced labor. Photo taken during an SS inspection. Dachau concentration camp, Germany, June 28, 1938. Photograph »

Newly arrived prisoners at the Buchenwald concentration camp. Buchenwald, Germany, 1938-1940. Photograph »

Exterior view of barracks at the Ravensbrueck concentration camp. Ravensbrueck, Germany, between May 1939 and April 1945. Photograph »

Jewish prisoners in the Drancy camp. France, between 1941 and 1944. Photograph »

View of the stone quarry in the Gross-Rosen camp, where prisoners were subjected to forced labor. Gross-Rosen, Germany, 1940-1945. Photograph »

View of the Gurs camp as photographed from a water tower. Gurs, France, ca. 1941. Photograph »

View, through the barbed wire, of the prisoner barracks in the Flossenbürg concentration camp. Flossenbürg, Germany, 1942. Photograph »

Shaving an inmate at the Sachsenhausen concentration camp. Germany, 1942. Photograph »

A sign outside the Breendonk transit camp warning that trespassers will be shot. Breendonk, Belgium, 1940-1944. Photograph »

Forced labor in the quarry of the Mauthausen concentration camp. Austria, date uncertain. Photograph »

Deportation from the Westerbork transit camp. The Netherlands, 1943–1944. Photograph »

Jews from the Lodz ghetto are loaded onto freight trains for deportation to the Chelmno extermination camp. Lodz, Poland, between 1942 and 1944. Photograph »

View of barracks in the Majdanek camp. Poland, date uncertain. Photograph »

Main entrance to the Auschwitz-Birkenau extermination camp. Poland, date uncertain. Photograph »