Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Children--Poland.
World War, 1939-1945--Poland.
Princeton subject headings:
Children and war--Poland--History--20th century.
Jewish children--Poland--Kraków--History--20th century.
World War, 1939-1945--Children--Poland.
World War, 1939-1945--Poland--Education and the war.