Holocaust and the concentration camp trials This collection provides unique documents on the investigation and prosecution of war crimes committed by Nazi concentration camp commandants and camp personnel. Documents include: correspondence; trial records and transcripts; investigatory material, such as interrogation reports and trial exhibits; clemency petitions and reviews; photographs of atrocities; newspaper clippings; and pamphlets. Many concentration (and later extermination) camps and sub-camps are represented in this collection, including Mauthausen, Dachau, Belsen-Bergen, Buchenwald, Treblinka, Sobibor, sub-camp Gros-Raming, sub-camp Gusen I, sub-camp Ebensee, and others.