. . "Diane Plotkin donated the oral history interview with Ole Helweg to the United States Holocaust Memorial Museum in March 2017. The recording is part of a collection of interviews produced by Dr. Plotkin for her graduate dissertation research and book Sisters in Sorrow: Voices of Care in the Holocaust."@en . "No restrictions on access"@en . . . "No restrictions on use\n\nCopyright Holder: Diane Plotkin Ph.D."@en . "irn560473" . "Oral history interview with Ole Helweg"@en . "1 sound cassettes, analog"@en . . . .