Items originating from prisoners held in German concentration camps, internment and transit camps, Gestapo prisons, and POW camps, during and just prior to World War II. Most of the collection consists of letters written or received by prisoners, but also includes receipts for parcels, money orders and personal effects; paper currency; and realia, including Star of David badges that Jews were forced to wear. Letters sent to camps: Auschwitz; Buchenwald; Dachau; Flossenburg; Lublin/Majdanek; Mauthausen; Mittelbau; Neuengamme; Ravensbruck; and Sachsenhausen. Letters sent by prisoners from: Auschwitz; Bergen Belsen; Buchenwald; Dachau; Esterwegen; Flossenburg; Fort VII; Gross-Rosen; Herzogenbush; Lublin-Majdanek; Mauthausen-Gusen; Mittelbau-Dora; Natzweiler; Neuengamme; Ravensbruck; Sachsenhausen and Stutthof.