Columbia subject headings:
World War, 1939-1945--Children--Germany (East)--Congresses.
World War, 1939-1945--Children--Poland--Congresses.
Harvard subject headings:
Children and war--Germany (East)--Congresses.
Children and war--Poland--Congresses.
Germany--History--1933-1945--Congresses.
Poland--History--1918-1945--Congresses.
World War, 1939-1945--Children--Germany (East)--Congresses.
World War, 1939-1945--Children--Poland--Congresses.
Princeton subject headings:
World War, 1939-1945--Children--Germany (East)--Congresses.
World War, 1939-1945--Children--Poland--Congresses.