. "No restrictions on access"@en . . . . "Restrictions on use. Restrictions may exist. Contact the Museum for further information: reference@ushmm.org\n\nCopyright Holder: Mark Klempner"@en . "Oral history interview with Mrs. Coolsma"@en . "irn619922" . . "Mark Klempner donated his collection of oral history interviews and transcripts to the United States Holocaust Memorial Museum on April 22, 2007. The interview with Mrs. Coolsma was used as primary source material for Klempner's book\"The Heart Has Reasons: Holocaust rescuers and their stories of courage\" published in 2007."@en . . . . . "2 sound cassettes (90 min.),"@en .