History Popes 20th century, c 1900 to c 1999 Adoptees Adoptés Aspect religieux Bonheur Childhood and youth Christianisme Christianity Enfants juifs pendant l'Holocauste European history Expérimentation humaine en médecine General & world history Genocide & ethnic cleansing Happiness Histoire Holocaust survivors Holocaust, Jewish (1939-1945) Holocauste, 1939-1945 Human experimentation in medicine Jewish children in the Holocaust Joie Joy Later 20th century c 1950 to c 1999 Memoirs Papes Poland Religious aspects Social groups: religious groups & communities