. "Restrictions on use. Donor retains copyright. Third party use requests must be submitted to the donor.\n\nCopyright Holder: Edith Ruina"@en . . "irn49643" . "No restrictions on access"@en . . . "1995 March 29" . "Edith Ruina donated the oral history interview with Leon Blatt, along with research materials pertaining to her manuscript\"The Grupa\" to the United States Holocaust Memorial Museum Archives on October 9, 2001."@en . . . "1 sound cassette, analog"@en . . "Oral history interview with Leon Blatt"@en .