. . "Documents related to the activities of Attorney at Law Serge Klarsfeld and his wife Beate Klarsfeld, Nazi criminal hunters, in Paris, France, and letters of Regina Springer and her husband Leib Springer from Vienna to members of their families during the Holocaust, 1940-1984"@eng . "Documents related to the activities of Attorney at Law Serge Klarsfeld and his wife Beate Klarsfeld, Nazi criminal hunters, in Paris, France, and letters of Regina Springer and her husband Leib Springer from Vienna to members of their families during the Holocaust, 1940-1984"@eng . .