"David Klein collection"@en . . . . . . . . . . "irn77421" . "The collection consists of stamps, stamped envelopes, scrip, correspondence, receipts, etc. to/from multiple concentration camps including Auschwitz Birkenau, Buchenwald, Neuengamme, Mauthausen Natzweiler, and internment camps in Mauritius and Westerbork, and official post-war documents from Bergen-Belsen and Feldafing displaced persons camps."@en . . . .