At left, a column of Soviet prisoners of war, under German guard, marches away from the front. Place uncertain, July 1, 1941. Photograph »

German soldiers guard Soviet prisoners of war marching to camps. Soviet Union, 1941. Photograph »

A German soldier guards Soviet prisoners of war at the Uman camp in the Ukraine. Soviet Union, August 14, 1941. Photograph »

Germans guard prisoners in the Rovno camp for Soviet prisoners of war. Rovno, Poland, after June 22, 1941. Photograph »

SS officers posing in front of a newly arrived transport of Soviet prisoners of war. Mauthausen concentration camp, Austria, 1941. Photograph »

Soviet prisoners of war receiving their meager rations. More than three million Soviet prisoners of war died in German custody, mostly from malnutrition and exposure. Rovno, Poland, 1941. Photograph »

Soviet prisoners of war arrive at the Majdanek camp. Poland, between October 1941 and April 1944. Photograph »

Dugouts, which served as living quarters for prisoners in Stalag 319—a Nazi-built camp for Soviet prisoners of war. Chelm, Poland, between 1941 and 1944. Photograph »

Soviet prisoners of war interrogated by German soldiers upon arrival at a prison camp. Lida, Poland, 1941. Photograph »

Photograph from a series taken by a guard in the Soviet POW camp of Belzen bei Bergen, and numbered in Roman numerals by the American officer, Lt. van Otten. The camp held approximately 10,000 POWs, most of whom came from Fallingbostel, 10 km away. When they fell ill, they were marched to Belsen. At Belsen, they were starved, often given only a soup made of field beets. This photo shows Soviet POWs assembled at the camp. Germany, between 1941 and 1945. Photograph »

Soviet prisoners of war wait for food in Stalag (prison camp) 8C. More than 3 million Soviet soldiers died in German custody, mostly from malnutrition and exposure. Zagan, Poland, February 1942. Photograph »

Columns of Soviet prisoners of war. Soviet Union, September 15, 1942. Photograph »

Sack of wood flour (finely powdered wood or sawdust) used to make substitute bread. The official ration of this "bread" for Soviet prisoners of war was less than 5 ounces a day. Deblin, Poland, 1942 or 1943. Photograph »

Wounded Soviet prisoners of war await medical attention. The German army provided only minimal treatment, and permitted captured Soviet personnel to care for their own wounded using only captured medical supplies. Baranovichi, Poland, wartime. Photograph »

Wounded Soviet prisoners of war. The German army provided only minimal treatment, and permitted captured Soviet personnel to care for their own wounded using only captured medical supplies. Baranovichi, Poland, wartime. Photograph »

Soviet prisoners of war, survivors of the Majdanek camp, at the camp's liberation. Poland, July 1944. Photograph »

Two malnourished Soviet prisoners of war, survivors of the Hemer prisoner of war camp in western Germany. More than three million Soviet prisoners of war died in German custody, mostly from malnutrition and exposure. Hemer, Germany, April 29, 1945. Photograph »

The entrance to the gas chamber in Auschwitz I, where Zyklon B was tested on Soviet prisoners of war. The building in the background is a hospital for SS members. Auschwitz, Poland, date uncertain. Photograph »