Children studying in a clandestine school in the Kovno ghetto, Lithuania. USHMM, courtesy of Eliezer Zilberis 
A priest and several nuns pose with a group of children at a Franciscan convent school in Lomna, Poland where Jewish children were hidden during the German occupation. USHMM, courtesy of Lidia Kleinman Siciarz 
German passport for Hilde Schindler with the given middle name of Sara and stamped with J for Jude (Jew) Courtesy of the Jewish Museum London
Jewish children at the children’s home in Izieu, France. Soon afterwards they were deported to Auschwitz-Birkenau and murdered. Copyright © Yad Vashem 
Identity cards like this one were issued to all children who came to Britain with the 'Kindertransport', the organised groups of Jewish refugees who escaped from Germany, Austria and Czechoslovakia in 1938-9 Courtesy of the Jewish Museum London