 The director of the group, Dr. Sascha Feuchert, considers Kellner's work one of the most extensive diaries of the Nazi period.A number of major universities in the United States, such as Purdue, Columbia, and Stanford, have offered to make the diary part of their libraries.The directors of the Yad Vashem Holocaust Museum in Jerusalem and the United States Holocaust Memorial Museum in Washington, D.C., have also requested the diary for their archives.