Columbia subject headings:
Holocaust survivors--Sweden--Biography.
Holocaust, Jewish (1939-1945)--Poland--Warsaw.
Jews--Poland--Biography.
Korczak, Janusz, 1878-1942--Teachings.
Wróblewski, Michał, 1911-1993.
Harvard subject headings:
Holocaust survivors--Sweden--Biography.
Holocaust, Jewish (1939-1945)--Poland--Warsaw
Jews--Poland--Biography.
Korczak, Janusz, 1878-1942--Teachings.
Wróblewski, Michał, 1911-1993.
Princeton subject headings: